Let X be a random variable that takes on the values 1, 2, and 3, with the following proba-bilities. P(X=1)=\frac{1}{2}, \quad P(X=2)=\frac{1}{4}, \quad P(X=3)=\frac{1}{4} ) Find the transform associated with

X. Calculate E[X] Calculate E[X²] =) Calculate E[X³]