Smartiac297 Smartiac297 29-05-2023 Mathematics Answered X and Y are continuous random variables with joint density function f(x, y) = x + y on the unit square [0, 1] × [0, 1]. (a) Compute F(x, y), the joint CDF, where F(a, b) = P(X ≤ a, Y≤ b) with a a