The bivariate distribution of x and y is described below: x y 1 2 1 0.21 0.47 2 0.14 0.18 a. find the marginal probability distribution of x. 1: .35 2: .65 b. find the marginal probability distribution of y. 1: .68 2: .32 c. compute the mean and variance of x. mean = .35+1.3 variance = (.35+2.+1.3)^2 c. compute the mean and variance of y.