Question: For random variables Xand Y, consider the following moment generating functions: MX+2Y (t) = (1 −… For random variables Xand Y, consider the following moment generating functions: MX+2Y (t) = (1 − 2t) −1 M2X−Y (t) = e 8(e t−1) . Given that Var(X) = Var(Y ), calculate Cov(X, Y ).