Assume that Y1, Y2, and Y3 are random variables, with E(Y1) = 2, E(Y2) = 1, E(Y3) = 4
Chapter 5, Problem 5.103(choose chapter or problem)
Assume that Y1, Y2, and Y3 are random variables, with E(Y1) = 2, E(Y2) = 1, E(Y3) = 4, V(Y1) = 4, V(Y2) = 6, V(Y3) = 8, Cov(Y1, Y2) = 1, Cov(Y1, Y3) = 1, Cov(Y2, Y3) = 0. Find E(3Y1 + 4Y2 6Y3) and V(3Y1 + 4Y2 6Y3).
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