Question #45893
Let X, and Y be two independent random variables such that E(X)=2, Var(X)=4, E(Y)=7, and Var(Y)=1. Find: 1). E(3X+7) and Var(3X+7) 2). E(5X+2Y-2) and Var(5X+2Y-2).
(b) If two random variables have the joint density
Find the probability that
1
Expert's answer
2014-09-11T11:45:45-0400
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