Q19Single correct3 Marks24 Dec 2023

Let $X \sim \operatorname{Bin}(n, p)$. If the expected value and variance of X are 2 and $\frac{3}{2}$, respectively, find the value of $P(X = 2)$.

A

(7 * 3^6) / 4^7

B

(7 * 3^6) / 4^8

C

$\binom{8}{2} \cdot (3^2 / 4^8)$

D

$\binom{4}{2} \cdot (3^2 / 4^4)$