Measured as an integer number of pounds

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A business trip is equally likely to take 2, 3, or 4 days. After a d-day trip, the change in the traveler's weight, measured as an integer number of pounds, is uniformly distributed between -d and d pounds. For one such trip, denote the number of days by D and the change in weight by W. Find the joint PMF PD,W (d, w).

Reference no: EM131084653

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