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

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

a)Find f(Y|X=0.5)

b)Find E(X)

c)Find V(X)

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

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