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Let X and W be the working and subsequent repair times of a certain m.pdf

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Let X and W be the working and subsequent repair times of a certain machine. Let Y=X+W and suppose that the joint probability density of X and Y is fX,Y(x,y)=2ey,0.

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Let X and W be the working and subsequent repair times of a certain machine. Let Y=X+W and suppose that the joint probability density of X and Y is fX,Y(x,y)=2ey,0

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