Form _ n let A be an m X n matrix of real numbers, and let b be an m x 1 vector of real Let c be an m X 1 vector of real numbers and let W = c V for V defined in Part (c). In terms numbers. Let V = AY + b. Find the mean vector My and covariance matrix Ev of V. of C, HV and Ev, find E(W ) and Var (W)