Determine the value of c that makes the function f(x, y) = cxy a joint probability density function over the ran 0 < x < 3 and 0 < y < x. c = i Round your answer to four decimal places (e.g. 98.7654). Determine the following: (a) P(X < 1.9, Y < 2.6) = Round your answer to three decimal places (e.g. 98.765). (b) P(1.9 < X < 2.6) = i Round your answer to three decimal places (e.g. 98.70 (c) P(Y > 1) = i Round your answer to three decimal places (e.g. 98.765).

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