Study guide, I want to make sure I got this question right

(h) A boa: contains 4 red balls (R), 3 white balls (W), and 2 blank balls (B). Sample two balls from the box with replacement. Let X and Y denote the numbers of R's and W's in the sample respectively. Then Cov(X , Y) = 8/27. true ; false (i) Let X + 21' = 5. Then Corr(X,Y) = 1/2. true ; false j) If (X, Y) is uniformly distributed over the unit disk {(ny) E R2 : $2 + y2 S 1}, then (X>0, Y