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Using level of significance of 01 is there evidence that

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BestCoffeeInTown is concerned that the mean wait time of customers for a table is not greater than 7 minutes.  It can be assumed that the population standard deviation is 2.8 minutes based on past experience.  A sample of 300 customers is selected and the sample mean is 7.6 minutes. Using a level of significance of .01, is there evidence that the population mean wait time is greater than 7 minutes? Fully explain your answer.

Reference no: EM13471520

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