A certain drugstore has three public telephone booths. For
Chapter 3, Problem 5(choose chapter or problem)
A certain drugstore has three public telephone booths. For i = 0, 1, 2, 3, let pi denote the probability that exaactly i telephone booths will be occupied on any Monday evening at 8:00 p.m.; and suppose that p0 = 0.1, p1 = 0.2, p2 = 0.4, and p3 = 0.3. Let X and Y denote the number of booths that will be occupied at 8:00 p.m. on two independent Monday evenings. Determine: (a)
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