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Mathematics, 30.03.2020 15:52 igompers
A random sample of 128 lunch customers was selected at a restaurant. The average amount of time the customers in the sample stayed in the restaurant was 128.2 minutes and the sample standard deviation equals 24.9 minutes. The objective is to create a 99% confidence interval for the mean amount of time that customers stay. What is the confidence interval?
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A random sample of 128 lunch customers was selected at a restaurant. The average amount of time the...
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