2. (20 pts) Let X and Y be random variables of the continuous type having the joint p.d.f. 8 f(x,y) = xy, 0≤x≤1, x ≤ y ≤ 2x a) Draw a graph that illustrate the domain of the joint pdf. b) Find the marginal pdfs of X and Y. c) Compute x Hy d) Compute o2, and o. e) Calculate Cov(X, Y) and p.

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