Question Id : 13222 |
Context : JEE Main 2023 (29 January Morning Shift)
Three rotten apples are mixed accidentally 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:
🎥 Video solution / Text Solution of this question is given below: