Ononot — Let X be a discrete random variable with E[X] = 2 and E[X^2]

Guest Session: 1 Question Remaining. Create Account to save progress.

Random Variableseasy

0:00.0

Let $X$ be a discrete random variable with $E[X] = 2$ and $E[X^2] = 6$ . What is the variance $Var(X)$ ?