Let XXX have the moment generating function MX(t)=exp(4(et−1))M_X(t) = \exp(4(e^t - 1))MX(t)=exp(4(et−1)). What is P(X=0)P(X=0)P(X=0)?
e^{-4}
e^{-1}
4e^{-4}
1