The joint density function of Y1 and Y2 is given by 30y¡ y3, yı – 1 < y2 < 1 – y1, 0 < yı < 1, | 0, f (y1, y2) = elsewhere. Find F(1/2, 1/2). b Find F(1/2, 2). Find P(Y¡ > Y2).

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