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The joint pdf of random variables X, Y is given by cxy x , y 20 , OK xty - 2 fx,y (x, y) =

The joint pdf of random variables X, Y is given by cxy x , y 20 , OK xty - 2 fx,y (x, y) = 0 else (a Find c. (b) Find the marginal pdf fx (x). (c Find E [X] and Var (X). (d) Find the marginal pdf fy (y). (e Find E [Y] and Var (Y)

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