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TABLE 8-7 a Hotel Chain Wants to Estimate the Average Number of Number

Question 111

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TABLE 8-7
A hotel chain wants to estimate the average number of rooms rented daily in each month. The population of rooms rented daily is assumed to be normally distributed for each month with a standard deviation of 24 rooms.
-Referring to Table 8-7, during February, a sample of 25 days has a sample mean of 37 rooms. Use this information to calculate a 92% confidence interval for the population mean.

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