{"id":230986,"date":"2025-10-21T10:43:35","date_gmt":"2025-10-21T05:13:35","guid":{"rendered":"https:\/\/www.oliveboard.in\/blog\/?p=230986"},"modified":"2025-10-22T08:31:34","modified_gmt":"2025-10-22T03:01:34","slug":"random-variables-and-probability-distribultions-ssc-cgl","status":"publish","type":"post","link":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/","title":{"rendered":"Random Variables and Probability Distributions SSC CGL Tier 2 Paper 2"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_77 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of content<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#1_Random_Variable_RV\" >1. Random Variable (RV)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#4_Joint_Probability_Distributions\" >4. Joint Probability Distributions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#5_Key_Formulas\" >5. Key Formulas:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#Key_Takeaways_for_SSC_CGL_Tier_2\" >Key Takeaways for SSC CGL Tier 2<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#FAQs\" >FAQs<\/a><\/li><\/ul><\/nav><\/div>\n\n<p>In SSC CGL Tier 2 <a href=\"https:\/\/www.oliveboard.in\/ssc-jso\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC JSO<\/a> (Junior Statistical Officer Paper II), questions on Random Variables and Probability Distributions are very important. These concepts help in modelling uncertainty, understanding data patterns, and predicting outcomes.This blog covers random variables, types of distributions, and joint distributions with easy examples and formulas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-1-random-variable-rv\"><span class=\"ez-toc-section\" id=\"1_Random_Variable_RV\"><\/span><strong>1. Random Variable (RV)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-definition\"><strong>Definition<\/strong><\/h3>\n\n\n\n<p>A <strong>random variable<\/strong> is a <strong>numerical outcome of a random experiment<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Types of Random Variables:<\/strong>\n<ol class=\"wp-block-list\">\n<li><strong>Discrete Random Variable<\/strong> \u2013 takes <strong>countable values<\/strong> (e.g., number of heads in 3 coin tosses).<\/li>\n\n\n\n<li><strong>Continuous Random Variable<\/strong> \u2013 takes <strong>uncountable values<\/strong> in an interval (e.g., height, weight).<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>Example:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Toss a die \u2192 X = number on top face \u2192 Discrete<\/li>\n\n\n\n<li>Time to complete a task \u2192 Y = time in minutes \u2192 Continuous<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/ssc-cgl-mock-test\/?ref=Contms&amp;utm_medium=Organic&amp;utm_source=Blog&amp;utm_campaign=Contms\" target=\"_blank\" rel=\"noreferrer noopener\">Attempt Free New Interface SSC CGL Tier 2 Mock test<\/a><\/div>\n<\/div>\n\n\n\n<p>Also check out <a href=\"https:\/\/www.oliveboard.in\/blog\/most-repeated-quantitative-aptitude-questions-for-ssc-cgl-tier-2\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Most Repeated Quantitative Aptitude Questions for SSC CGL Tier 2<\/strong><\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-probability-distributions\"><strong>2. Probability Distributions<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"291\" src=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.14.18-AM-1024x291.webp\" alt=\"\" class=\"wp-image-231096\" srcset=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.14.18-AM-1024x291.webp 1024w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.14.18-AM-768x219.webp 768w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.14.18-AM-150x43.webp 150w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.14.18-AM.webp 1518w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link has-text-align-center wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-tier-2-weightage-of-english-and-quant\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Check SSC CGL Tier 2 Weightage of English and Quant<\/a><\/div>\n<\/div>\n\n\n\n<p>Also check out <a href=\"https:\/\/www.oliveboard.in\/blog\/most-repeated-english-questions-for-ssc-cgl-tier-2\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Most Repeated Quantitative Aptitude Questions for SSC CGL Tier 2<\/strong><\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-common-probability-distributions\"><strong>3. Common Probability Distributions<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"458\" src=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.12.55-AM-1024x458.webp\" alt=\"\" class=\"wp-image-231095\" srcset=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.12.55-AM-1024x458.webp 1024w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.12.55-AM-768x344.webp 768w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.12.55-AM-1536x687.webp 1536w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.12.55-AM-150x67.webp 150w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.12.55-AM.webp 1958w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/ssc-cgl-score-calculator\/?ref-contmk-scsc\" target=\"_blank\" rel=\"noreferrer noopener\">Calculate your Score using sSC CGL Tier 1 Score Calculator<\/a><\/div>\n<\/div>\n\n\n\n<p>Check out <a href=\"https:\/\/www.oliveboard.in\/blog\/most-repeated-computer-awareness-questions-for-ssc-cgl-tier-2\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Most Repeated Computer Awareness Questions for SSC CGL Tier 2<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-4-joint-probability-distributions\"><span class=\"ez-toc-section\" id=\"4_Joint_Probability_Distributions\"><\/span><strong>4. Joint Probability Distributions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-definition-0\"><strong>Definition<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"642\" src=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.15.20-AM-1024x642.webp\" alt=\"\" class=\"wp-image-231097\" srcset=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.15.20-AM-1024x642.webp 1024w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.15.20-AM-768x482.webp 768w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.15.20-AM-150x94.webp 150w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.15.20-AM.webp 1518w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-tier-2-books\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">Check SSC CGL Tier 2 Books<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-5-key-formulas\"><span class=\"ez-toc-section\" id=\"5_Key_Formulas\"><\/span><strong>5. Key Formulas:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Below are the key formulas:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"465\" src=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.19.23-AM-1024x465.webp\" alt=\"\" class=\"wp-image-231098\" srcset=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.19.23-AM-1024x465.webp 1024w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.19.23-AM-768x349.webp 768w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.19.23-AM-150x68.webp 150w, https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Screen-Shot-2025-10-21-at-10.19.23-AM.webp 1518w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Check other SSC JSO related blogs:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong><strong>Blogs<\/strong><\/strong><\/td><td><strong>Blogs<\/strong><\/td><\/tr><tr><td><a href=\"https:\/\/www.oliveboard.in\/ssc-jso-mock-test\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC JSO Mock Test<\/a><\/td><td><a href=\"https:\/\/www.oliveboard.in\/blog\/ssc-jso-books\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC JSO Books<\/a><\/td><\/tr><tr><td><a href=\"https:\/\/www.oliveboard.in\/blog\/ssc-jso-cutoff\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC JSO Cut Off<\/a><\/td><td><a href=\"https:\/\/www.oliveboard.in\/blog\/ssc-jso-promotion\/?ref=contmk-blogs\" target=\"_blank\" rel=\"noreferrer noopener\">SSC JSO Promotion<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-takeaways-for-ssc-cgl-tier-2\"><span class=\"ez-toc-section\" id=\"Key_Takeaways_for_SSC_CGL_Tier_2\"><\/span><strong>Key Takeaways for SSC CGL Tier 2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Random Variable<\/strong> \u2192 numeric outcome of experiment.<\/li>\n\n\n\n<li><strong>Discrete vs Continuous<\/strong> \u2192 countable vs uncountable values.<\/li>\n\n\n\n<li><strong>Binomial &amp; Poisson<\/strong> \u2192 discrete distributions.<\/li>\n\n\n\n<li><strong>Normal &amp; Exponential<\/strong> \u2192 continuous distributions.<\/li>\n\n\n\n<li><strong>Joint distribution<\/strong> \u2192 probability of two RVs together.<\/li>\n\n\n\n<li><strong>Practice<\/strong> marginal and conditional distributions for exam speed.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faqs\"><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><strong>FAQs <\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1761022237620\"><strong class=\"schema-faq-question\"><strong>Q1. What is a random variable?<\/strong><\/strong> <p class=\"schema-faq-answer\">A numerical outcome of a random experiment, discrete or continuous.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1761022241733\"><strong class=\"schema-faq-question\"><strong>Q2. Which distributions are discrete?<\/strong><\/strong> <p class=\"schema-faq-answer\">Binomial and Poisson distributions.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1761022245249\"><strong class=\"schema-faq-question\"><strong>Q3. Which distributions are continuous?<\/strong><\/strong> <p class=\"schema-faq-answer\">Normal and Exponential distributions.<br\/><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1761022252683\"><strong class=\"schema-faq-question\">Q4. What is a joint distribution?<\/strong> <p class=\"schema-faq-answer\">Probability distribution of two random variables together.<br\/><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1761022256915\"><strong class=\"schema-faq-question\"><strong>Q5. What is the main use of SSC CGL?<\/strong><\/strong> <p class=\"schema-faq-answer\">Predict probabilities, calculate means and variances, and solve joint\/marginal distribution problems.<\/p> <\/div> <\/div>\n\n\n<ul class=\"wp-block-latest-posts__list is-grid columns-3 wp-block-latest-posts\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/ssc-cgl-air-70-strategy\/\">SSC CGL AIR 70 Strategy: Mock Analysis &amp; Prep Tips<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/how-did-air-1-use-oliveboard-to-crack-ssc-cgl\/\">How did AIR 1 use Oliveboard to crack SSC CGL 2026? Mock Data Analysis<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/number-puzzles-for-ssc\/\">Number Puzzle Questions for SSC Exams, Attempt Now<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/geometry\/\">Geometry Question Types, Formulas, Concepts, Short Tricks<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/active-passive-voice-for-ssc-exams\/\">Active and Passive Voice Questions for SSC Exams 2026, Attempt Now<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/www.oliveboard.in\/blog\/history-notes\/\">Free History Notes PDF for SSC, Civil Services, UPSSSC &#038; Railways | Download Now<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>In SSC CGL Tier 2 SSC JSO (Junior Statistical Officer Paper II), questions on Random Variables and Probability Distributions are<\/p>\n","protected":false},"author":65,"featured_media":231100,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,5217,10231,63],"tags":[],"class_list":["post-230986","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-ssc-prep","category-ssc-railways","category-ssc-exams","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Random Variables and Probability Distributions SSC CGL Tier 2 Paper 2<\/title>\n<meta name=\"description\" content=\"Learn Random Variables and Probability Distributions for SSC CGL Tier 2 Paper 2 with formulas, examples, and key questions for JSO preparation\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Random Variables and Probability Distributions SSC CGL Tier 2 Paper 2\" \/>\n<meta property=\"og:description\" content=\"In SSC CGL Tier 2 SSC JSO (Junior Statistical Officer Paper II), questions on Random Variables and Probability Distributions are very important. These\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/\" \/>\n<meta property=\"og:site_name\" content=\"Oliveboard\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Oliveboard\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-21T05:13:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-22T03:01:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Random-variable-.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"730\" \/>\n\t<meta property=\"og:image:height\" content=\"480\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Mahima Khurana\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Oliveboard\" \/>\n<meta name=\"twitter:site\" content=\"@Oliveboard\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mahima Khurana\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"NewsArticle\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/\"},\"author\":{\"name\":\"Mahima Khurana\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/#\/schema\/person\/2f25f4d24adbf225bc11e6a0a4bcad8b\"},\"headline\":\"Random Variables and Probability Distributions SSC CGL Tier 2 Paper 2\",\"datePublished\":\"2025-10-21T05:13:35+00:00\",\"dateModified\":\"2025-10-22T03:01:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/\"},\"wordCount\":342,\"publisher\":{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Random-variable-.webp\",\"articleSection\":[\"Articles\",\"SSC\",\"SSC &amp; Railways\",\"SSC CGL\"],\"inLanguage\":\"en-US\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/\",\"url\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/\",\"name\":\"Random Variables and Probability Distributions SSC CGL Tier 2 Paper 2\",\"isPartOf\":{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Random-variable-.webp\",\"datePublished\":\"2025-10-21T05:13:35+00:00\",\"dateModified\":\"2025-10-22T03:01:34+00:00\",\"description\":\"Learn Random Variables and Probability Distributions for SSC CGL Tier 2 Paper 2 with formulas, examples, and key questions for JSO preparation\",\"breadcrumb\":{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#breadcrumb\"},\"mainEntity\":[{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022237620\"},{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022241733\"},{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022245249\"},{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022252683\"},{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022256915\"}],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#primaryimage\",\"url\":\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Random-variable-.webp\",\"contentUrl\":\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Random-variable-.webp\",\"width\":730,\"height\":480},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.oliveboard.in\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Articles\",\"item\":\"https:\/\/www.oliveboard.in\/blog\/category\/articles\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Random Variables and Probability Distributions\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/#website\",\"url\":\"https:\/\/www.oliveboard.in\/blog\/\",\"name\":\"Oliveboard\",\"description\":\"Free Govt. Exam Alerts &amp; Resources\",\"publisher\":{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.oliveboard.in\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/#organization\",\"name\":\"Oliveboard\",\"url\":\"https:\/\/www.oliveboard.in\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2021\/11\/logo.png\",\"contentUrl\":\"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2021\/11\/logo.png\",\"width\":150,\"height\":40,\"caption\":\"Oliveboard\"},\"image\":{\"@id\":\"https:\/\/www.oliveboard.in\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/Oliveboard\",\"https:\/\/x.com\/Oliveboard\",\"https:\/\/www.instagram.com\/oliveboard.in\/\",\"https:\/\/www.youtube.com\/channel\/UCRvrHAyNdOMI_JBkE2pjZtw?sub_confirmation=1\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/#\/schema\/person\/2f25f4d24adbf225bc11e6a0a4bcad8b\",\"name\":\"Mahima Khurana\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/922450c81513b569654b520958cbf86230a614fd2f7f05d6b46674fe4bce8c99?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/922450c81513b569654b520958cbf86230a614fd2f7f05d6b46674fe4bce8c99?s=96&d=mm&r=g\",\"caption\":\"Mahima Khurana\"},\"description\":\"I\u2019m Mahima Khurana, a writer with a strong passion for creating meaningful, learner-focused content especially in the field of competitive exam preparation. From authoring books and developing thousands of practice questions to crafting articles and study material, I specialize in transforming complex exam-related topics into clear, engaging, and accessible content. I have first hand experience of 5+ months in SSC Exams. Writing, for me, is not just a skill but a way to support and guide aspirants through their preparation journey one well-written explanation at a time.\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022237620\",\"position\":1,\"url\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022237620\",\"name\":\"Q1. What is a random variable?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A numerical outcome of a random experiment, discrete or continuous.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022241733\",\"position\":2,\"url\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022241733\",\"name\":\"Q2. Which distributions are discrete?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Binomial and Poisson distributions.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022245249\",\"position\":3,\"url\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022245249\",\"name\":\"Q3. Which distributions are continuous?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Normal and Exponential distributions.<br\/>\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022252683\",\"position\":4,\"url\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022252683\",\"name\":\"Q4. What is a joint distribution?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Probability distribution of two random variables together.<br\/>\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022256915\",\"position\":5,\"url\":\"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022256915\",\"name\":\"Q5. What is the main use of SSC CGL?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Predict probabilities, calculate means and variances, and solve joint\/marginal distribution problems.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Random Variables and Probability Distributions SSC CGL Tier 2 Paper 2","description":"Learn Random Variables and Probability Distributions for SSC CGL Tier 2 Paper 2 with formulas, examples, and key questions for JSO preparation","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/","og_locale":"en_US","og_type":"article","og_title":"Random Variables and Probability Distributions SSC CGL Tier 2 Paper 2","og_description":"In SSC CGL Tier 2 SSC JSO (Junior Statistical Officer Paper II), questions on Random Variables and Probability Distributions are very important. These","og_url":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/","og_site_name":"Oliveboard","article_publisher":"https:\/\/www.facebook.com\/Oliveboard","article_published_time":"2025-10-21T05:13:35+00:00","article_modified_time":"2025-10-22T03:01:34+00:00","og_image":[{"width":730,"height":480,"url":"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Random-variable-.webp","type":"image\/webp"}],"author":"Mahima Khurana","twitter_card":"summary_large_image","twitter_creator":"@Oliveboard","twitter_site":"@Oliveboard","twitter_misc":{"Written by":"Mahima Khurana","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"NewsArticle","@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#article","isPartOf":{"@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/"},"author":{"name":"Mahima Khurana","@id":"https:\/\/www.oliveboard.in\/blog\/#\/schema\/person\/2f25f4d24adbf225bc11e6a0a4bcad8b"},"headline":"Random Variables and Probability Distributions SSC CGL Tier 2 Paper 2","datePublished":"2025-10-21T05:13:35+00:00","dateModified":"2025-10-22T03:01:34+00:00","mainEntityOfPage":{"@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/"},"wordCount":342,"publisher":{"@id":"https:\/\/www.oliveboard.in\/blog\/#organization"},"image":{"@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#primaryimage"},"thumbnailUrl":"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Random-variable-.webp","articleSection":["Articles","SSC","SSC &amp; Railways","SSC CGL"],"inLanguage":"en-US"},{"@type":["WebPage","FAQPage"],"@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/","url":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/","name":"Random Variables and Probability Distributions SSC CGL Tier 2 Paper 2","isPartOf":{"@id":"https:\/\/www.oliveboard.in\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#primaryimage"},"image":{"@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#primaryimage"},"thumbnailUrl":"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Random-variable-.webp","datePublished":"2025-10-21T05:13:35+00:00","dateModified":"2025-10-22T03:01:34+00:00","description":"Learn Random Variables and Probability Distributions for SSC CGL Tier 2 Paper 2 with formulas, examples, and key questions for JSO preparation","breadcrumb":{"@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#breadcrumb"},"mainEntity":[{"@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022237620"},{"@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022241733"},{"@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022245249"},{"@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022252683"},{"@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022256915"}],"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#primaryimage","url":"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Random-variable-.webp","contentUrl":"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2025\/10\/Random-variable-.webp","width":730,"height":480},{"@type":"BreadcrumbList","@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.oliveboard.in\/blog\/"},{"@type":"ListItem","position":2,"name":"Articles","item":"https:\/\/www.oliveboard.in\/blog\/category\/articles\/"},{"@type":"ListItem","position":3,"name":"Random Variables and Probability Distributions"}]},{"@type":"WebSite","@id":"https:\/\/www.oliveboard.in\/blog\/#website","url":"https:\/\/www.oliveboard.in\/blog\/","name":"Oliveboard","description":"Free Govt. Exam Alerts &amp; Resources","publisher":{"@id":"https:\/\/www.oliveboard.in\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.oliveboard.in\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.oliveboard.in\/blog\/#organization","name":"Oliveboard","url":"https:\/\/www.oliveboard.in\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.oliveboard.in\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2021\/11\/logo.png","contentUrl":"https:\/\/www.oliveboard.in\/blog\/wp-content\/uploads\/2021\/11\/logo.png","width":150,"height":40,"caption":"Oliveboard"},"image":{"@id":"https:\/\/www.oliveboard.in\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/Oliveboard","https:\/\/x.com\/Oliveboard","https:\/\/www.instagram.com\/oliveboard.in\/","https:\/\/www.youtube.com\/channel\/UCRvrHAyNdOMI_JBkE2pjZtw?sub_confirmation=1"]},{"@type":"Person","@id":"https:\/\/www.oliveboard.in\/blog\/#\/schema\/person\/2f25f4d24adbf225bc11e6a0a4bcad8b","name":"Mahima Khurana","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.oliveboard.in\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/922450c81513b569654b520958cbf86230a614fd2f7f05d6b46674fe4bce8c99?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/922450c81513b569654b520958cbf86230a614fd2f7f05d6b46674fe4bce8c99?s=96&d=mm&r=g","caption":"Mahima Khurana"},"description":"I\u2019m Mahima Khurana, a writer with a strong passion for creating meaningful, learner-focused content especially in the field of competitive exam preparation. From authoring books and developing thousands of practice questions to crafting articles and study material, I specialize in transforming complex exam-related topics into clear, engaging, and accessible content. I have first hand experience of 5+ months in SSC Exams. Writing, for me, is not just a skill but a way to support and guide aspirants through their preparation journey one well-written explanation at a time."},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022237620","position":1,"url":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022237620","name":"Q1. What is a random variable?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A numerical outcome of a random experiment, discrete or continuous.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022241733","position":2,"url":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022241733","name":"Q2. Which distributions are discrete?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Binomial and Poisson distributions.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022245249","position":3,"url":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022245249","name":"Q3. Which distributions are continuous?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Normal and Exponential distributions.<br\/>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022252683","position":4,"url":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022252683","name":"Q4. What is a joint distribution?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Probability distribution of two random variables together.<br\/>","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022256915","position":5,"url":"https:\/\/www.oliveboard.in\/blog\/random-variables-and-probability-distribultions-ssc-cgl\/#faq-question-1761022256915","name":"Q5. What is the main use of SSC CGL?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Predict probabilities, calculate means and variances, and solve joint\/marginal distribution problems.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/230986","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/users\/65"}],"replies":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/comments?post=230986"}],"version-history":[{"count":3,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/230986\/revisions"}],"predecessor-version":[{"id":231223,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/posts\/230986\/revisions\/231223"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/media\/231100"}],"wp:attachment":[{"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/media?parent=230986"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/categories?post=230986"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.oliveboard.in\/blog\/wp-json\/wp\/v2\/tags?post=230986"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}