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Let R be the interior of the triangle formed by the points (5, 0), (0, 5) and (2, 3). Random variables X and Y have

Let R be the interior of the triangle formed by the points (5, 0), (0, 5) and (2, 3). Random variables X and Y have joint pdf fx,x (x, y) = cry (x, y) ER otherwise. (a) What is the value of the constant c? (b) What is P(Y

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