JEE Main 2004 — Probability Question with Solution
From: AIEEE 2004
Question
The mean and the variance of a binomial distribution are and respectively. Then the probability of successes is :
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Given that mean = 4 = np = 4 and variance = 2
npq = 2 4q = 2
Also, n = 8
Probability of 2 successes
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This is a previous-year question from JEE Main 2004, 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.