Question

The joint density function of X and Y is f(x,y) =210 (2x +y), 2
0, otherwise Find

a. E(X),

b. E(Y),

c. E(XY),

d. E(X2),

e. E(Y2),

f. Var(X),

g. Var(Y),

h. Cov(X,Y),

i. p