1. The problem statement, all variables and given/known data Let X be a random variable with the following probability distribution X 0 1 2 3 4 f(x) 1/16 1/4 3/8 1/4 1/16 If another random variable Y = X^2 + 1 is formed, find the mean E[Y]. 2. Relevant equation E[x] = Σ_x [ x f(x)] 3. The attempt at a solution I know how to compute the answer, however I do not understand what computing the expected value with X^2 + 1 instead of X as the random variable means. Could someone please explain that to me?