A coin is tossed three times. Let X denote the number of times a… | JEE Main 2025 Mathematics PYQ

MCQMediumJEE Main 2025 · 22 January, Shift 1Probability Distributions

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 $64(\mu + \sigma^2)$ is:

A
$51$
B
$48$
C
$32$
D
$64$

Answer & step-by-step solution

Practice more Probability Distributions questions

Get unlimited AI-adaptive practice, mastery tracking, and an AI tutor that explains every step - free to start.

Start free trial More on Probability Distributions

Answer & step-by-step solution

Practice more Probability Distributions questions

Related questions