Ononot — A random variable X has the probability mass function P(X=k)

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

Distributionshard

0:00.0

A random variable $X$ has the probability mass function $P(X=k) = 3^{-k}$ for $k=1, 2, 3, \dots$ . What is the moment generating function $M_X(t)$ ?