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(4) (10| pts) Suppose Y1 and Y2 are jointly distributed with f(y1, y2) = 1/ 50, 0 (4) (10 pts) Suppose Yl and Y2 are

(4) (10| pts) Suppose Y1 and Y2 are jointly distributed with f(y1, y2) = 1/ 50, 0

(4) (10 pts) Suppose Yl and Y2 are jointly distributed with f(Y1, Y2) = 1/ 50, O < < < 10. (a) Find the probability density function of U = Yl Y2. (b) Find the expected value and standard deviation of U.

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