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4.79 Consider the joint probability distribution: x y o 030 6.25 1 0.25 0.25 a. Compute the marginal probability distributions for X and Y. b.

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4.79 Consider the joint probability distribution: x y o 030\"\" \"6.25 1 0.25 0.25 a. Compute the marginal probability distributions for X and Y. b. Compute the covariance and correlation for X and Y. c. Compute the mean and variance for the linear function W = 2X + Y

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