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JEE MAIN 2025
22-01-2025 SHIFT-1
Question
A coin is tossed three times. Let $X$ denote the number of times a tail follows a head. If $\mu$ and $\sigma^2$ denote the mean and variance of $X$, then the value of $64\left(\mu+\sigma^2\right)$ is :
Select the correct option:
A
64
B
51
C
48
D
32
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
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JEE Main
Mathematics
Medium
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