In Exercises the random variable n represents the number of units of a product sold per day
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In Exercises the random variable n represents the number of units of a product sold per day in a store. The probability distribution of n is given by P(n). Find the probability that two units are sold in a given day [P(2)] and show that P(0) + P(1) + P(2) + P(3) + · · · = 1.
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P(n) || 1/2 3\3
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