Mathematics · 2023
JEE Main · 13 April 2023, Shift 2 · Q19
The random variable X follows binomial distribution B(n, p), for which the difference of the mean and the variance is 1. If 2 P ( X =2)=3 P ( X =1),…
The random variable $\displaystyle X$ follows binomial distribution $\displaystyle B(n, p)$, for which the difference of the mean and the variance is 1. If $\displaystyle 2 \mathrm{P}(\mathrm{X}=2)=3 \mathrm{P}(\mathrm{X}=1)$, then $\displaystyle n^2 \mathrm{P}(\mathrm{X}>1)$ is equal to
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 11$
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.