The number of suits sold per day at a retail store is shown in the table, with
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The number of suits sold per day at a retail store is shown in the table, with the corresponding probabilities. Find the mean, variance, and standard deviation of the distribution.
If the manager of the retail store wants to be sure that he has enough suits for the next 5 days, how many should the manager purchase?
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Number of suits sold X 19 20 2 2223 Probability P(X) 0.2 0.2 0.3 0.2 0.1
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1902 2002 2103 2202 2301 208 2 19 2 02 20 2 02 21 2 03 22 2 02 23 2 ...View the full answer
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