Kizspy | Question: 40
(Choose 1 answer)
(See picture)
A. 0.0017
B. -0.0017
C. 0.00694
D. -0.00694
Let p(x,y) = (1/2)(y-x) with 0 ≤x≤ 1, 2≤ y ≤3 be the joint probability
function of some continuous random variables X and Y. Given the
following marginal probability functions of X and Y.
p(x) = (5/4)-(1/2)x, 0 ≤x≤1
=
p(y) (1/2)y-(1/4), 2≤ y ≤3
Find the covariance of X and Y.