f-x-y-x-y-0-lt-x-lt-1-0-lt-y-lt-1-0-otherwise-find-1-xy-2-p-0-lt-x-lt-1-4-2-5-gt-y-gt-1-3-note-f-x-y-is-the-joint-PDF-

Question Number 187044 by Humble last updated on 12/Feb/23

f (x, y) = {(x + y), 0 < x < 1, 0 < y < 1

0, o t h e r w i s e

f i n d :

(1) σ x y

(2) p (0 < x < (\frac{1}{4}) ∣ (\frac{2}{5}) > y > (\frac{1}{3}))

n o t e : f (x, y) i s t h e j o i n t P D F