Three rotten apples are accidentally mixed with seven good apples… | JEE Main 2023 Mathematics PYQ

MCQMediumJEE Main 2023 · 29 January, Shift 1Probability Distributions

Three rotten apples are accidentally mixed with seven good apples, and four apples are drawn one by one without replacement. Let the random variable $X$ denote the number of rotten apples. If $\mu$ and $\sigma^2$ represent the mean and variance of $X$ , respectively, then $10(\mu^2 + \sigma^2)$ is equal to:

A
$20$
B
$250$
C
$25$
D
$30$

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