Q4Multiple correct3 Marks16 Mar 2025

The joint PMF table of two discrete random variables $X_1$ and $X_2$ is given. Which option(s) is/are true?

A

$f_{X_1}(1)\ne f_{X_2}(1)$

B

$f_{X_1}(2)=f_{X_2}(2)$

C

$X_1$ and $X_2$ are independent.

D

$X_1$ and $X_2$ are not independent.