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If Y 1 and Y 2 are continuous random variables with joint density function f (y 1 , y 2 ) = ky 1 2

If Y1 and Y2 are continuous random variables with joint density function f (y1, y2) = ky12y2 , 0 y1 y2 1, find (a) k, (b) fY1(y1) and (c) P (Y2 1/4 | Y1 = 1/2)

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