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Let X and Y be two random variables with joint density f (x,y) = k.x.y for 0 x y 2 , 0 y 1, where
Let X and Y be two random variables with joint density f(x,y) = k.x.y for 0 x y2, 0 y 1, where k is a constant.
- a) Find k.
- b) Find the marginal density functions fX and fY
- c) Compute the covariance of X and Y
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Essentials Of College Algebra
Authors: Margaret L Lial, John E Hornsby, David I Schneider, Teresa McGinnis
10th Edition
0321970632, 9780321970633
