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Question 13 Suppose the joint density of X and Y is f X,Y (x,y) = 2x + 4y for 0

Question 13

Suppose the joint density of X and Y is f_X,Y(x,y) = 2x + 4y for 0

Find f(Y|X=0.5)
Find E(X)
Find V(X)
Given that E(Y) = 7/24 and E(XY) = 1/6, Find COV(3X+2 , 4Y+7)

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