For P(X = n; Y = m) = a^2b^(n+m) with n, m greater than 1 and a + b = 1 Find 1. P(X = n) and P(Y = m) 2. E(X^2), E(Y^2) 3. E(XY) and Cov(XY) 1/3/2013 | Sachin from Montgomery, NY | 0 Answers | 0 Votes Mark favorite Subscribe Comment