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. Consider two continuous random variables X and Y whose joint density is defined by f(x, y) = cx?y whenever 0 < x, y
. Consider two continuous random variables X and Y whose joint density is defined by f(x, y) = cx?y whenever 0 < x, y < 1, and f(x, y) = 0 oth- erwise. (a) Determine the value of c (b) Determine the (marginal) densities of X and Y (c) Determine the joint distribution function of X and Y (d) Determine the probabilities P(X < ,Y < }) and P(X < Y). 2 2 (e) Are X and Y independent?
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aThe value of c 1 f XY xydxdy 0 1 0 x cx 2 ydydx 0 1 cx 4 2 dxcx ...
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John E Freunds Mathematical Statistics With Applications
Authors: Irwin Miller, Marylees Miller
8th Edition
978-0321807090, 032180709X, 978-0134995373
