The question is not complete and i have attached. It's the first image.
Answer:
A) The random variables X and Y are not independent
B) E(X) = 5/8 ; E(Y) = 5/8 ; E(X+Y) = 5/4 ; E(XY) = 3/8
C) E(X²) = 7/15 ; E(Y²) = 7/15 ; Var (X) = 73/960 ; Var(Y) = 73/960 ; Cov(X, Y) = - 1/64
D) Var(X+Y) = 29/240
Step-by-step explanation:
I have attached all explanations.