JEE Main 2024MathematicsProbabilityProbability Distribution Of A Random VariablemediumNumerical

JEE Main 2024Probability Question with Solution

From: JEE Main 2024 (Online) 5th April Morning Shift

Question

From a lot of 10 items, which include 3 defective items, a sample of 5 items is drawn at random. Let the random variable denote the number of defective items in the sample. If the variance of is , then is equal to __________.

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Show full solutionCorrect answer: 56
Correct answer
56

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About this question

This is a previous-year question from JEE Main 2024, covering the Probability chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.