Q4 Let the joint probability density of X and Y is given by f(z, y) = 2 -x-y, 0

Q4 Let the joint probability density of X and Y is given by 2-x-y, O f CS 1, Of yfl, 0, otherwise. Q4(i.) Find the marginal density of X Q4(ii.) Find the marginal density of Y. Q4(iii.) Calculate E[XI and E[YI. Q4(iii.) Find E[XY] and the cov[X, Y]. Q4(v.) Find ** Copyrighted S241 Test Question - Do not post or share - April 6 2022 **