Question: 2. The joint probability density function of the continuous random variables X and Y is given by Find h, the probability density function of X

2. The joint probability density function of the continuous random variables X and Y is given by

2e-(x+2y) x0, y 0 f(x,y) = otherwise.

Find h, the probability density function of X + Y .

2e-(x+2y) x0, y 0 f(x,y) = otherwise.

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