Question

Let 𝑋 be a random variable having the probability density function
$f(x) =\begin{cases} \frac{x}{2} & \quad \text{if }0<x<2,\\\ 0, & \quad Otherwise \end{cases}$
Then, 𝑉𝑎𝑟 (ln ( $\frac{2}{x}$ )) equals ________

Answer 1

The correct answer is: 0.25