Let Xand Yhave joint density function (,)={23(+2)0for 01,01,otherwise. f ( x , y ) = { 2 3 (x+2y)for0x1,0y1, 0otherwise.Find the probability that (a) >1/4 X > 1 / 4 :probability = 0.8125(b)

(1 point) Let X and Y have joint density function f (x, y) = 3 (x + 2y) for 0 1/4: probability = 0.8125 (b) X