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Question & Answer: Joint distributions and independent variables 2.54. The joint probability function of two discrete random variables…..

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Joint distributions and independent variables 2.54. The joint probability function of two discrete random variables X and Y is given by fíx.y)cx or 1,2,3 and y = 1, 2, 3, and equals zero otherwise. Find (a) the constant c, (b) P(X = 2, Y = 3), (c)Pils X s 2.Ys 2), (d) P(X 2), (e) P(Y < 2), (f) P(X = 1), (g) P(Y = 3). 2.55. Find the marginal probability functions of (a) X and (b) Y for the random variables of Problem 2.54 (c) Determine whether X and Y are independent.

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Joint distributions and independent variables 2.54. The joint probability function of two discrete random variables X and Y is given by fíx.y)cx or 1,2,3 and y = 1, 2, 3, and equals zero otherwise. Find (a) the constant c, (b) P(X = 2, Y = 3), (c)Pils X s 2.Ys 2), (d) P(X 2), (e) P(Y

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Question & Answer: Joint distributions and independent variables 2.54. The joint probability function of two discrete random variables..... 1Question & Answer: Joint distributions and independent variables 2.54. The joint probability function of two discrete random variables..... 2Question & Answer: Joint distributions and independent variables 2.54. The joint probability function of two discrete random variables..... 3Question & Answer: Joint distributions and independent variables 2.54. The joint probability function of two discrete random variables..... 4

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