# Answer on Statistics and Probability Question for anu

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

(b) If two random variables have the joint density

Find the probability that

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