Question: 7. Consider the joint density function for the pair of random variables X and Y defined by f(x, y) = C (x + 1) y,

7. Consider the joint density function for the pair of random variables X and Y defined by f(x, y) = C (x + 1) y, 0 x 2, 0 y 1 and f(x,y) = 0 for all other points. a. Find the value of the constant C so that f is indeed a joint density function. b. Find the probability P(X + Y 1)

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