eveee9214 eveee9214 24-05-2023 Mathematics contestada Let X and Y be continuous random variables with joint probability density function fX,Y (x,y) =2(x^2)y/81 , 0 ≤x ≤3, 0 ≤y ≤3 0, otherwise. Find P(X > 3Y ) and P(X + Y > 3).