function Suppose that the random variables X and Y have joint probability density -{8 ) = f(x,y) czy if 0≤x≤ 1,0 ≤ y ≤ 1 otherwise (a) Find the value of c. (b) Find marginal probability density functions fx(x) and fy (y). (c) Find E(XY), E(X), E(Y), and cov(X,Y). (d) Are the random variables Y and V independent?

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