JEE Main 2021 — Probability Question with Solution
From: JEE Main 2021 (Online) 18th March Evening Shift
Question
Let in a Binomial distribution, consisting of 5 independent trials, probabilities of exactly 1 and 2 successes be 0.4096 and 0.2048 respectively. Then the probability of getting exactly 3 successes is equal to :
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
= 0.4096 ..... (1)
= 0.2048 ..... (2)
P (exactly 3) =
= 0.2048 ..... (2)
P (exactly 3) =
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This is a previous-year question from JEE Main 2021, 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.