2. Given the joint probability distribution of stock A return (X) and stock B return (Y), find EX, EY, VX, VY, Cov(X,Y), and Corr(X,Y) w Pr(x,y) x, stock A return row y, stock B return 0.1 0.2 0.3 sum 0.525 -0.2 0.4 0.025 0.2 0.3 0.075 0.2 0.2 0.1 0.4 0.5 0.475 column sum 1