Construct a 95 confidence interval for the average waiting

Reference no: EM13618132

The macburger restaurant chain claims that customers mean waiting time is 3 minutes. The quality assurance department found in a sample of 50 customers at the warren road macburger that the mean waiting time was 3.25 minutes. Assume the population standard deviation is 1 minute.

A. Construct a 95% confidence interval for the average waiting time for customer.

B. Based on the confidence interval you construct in part a, do you think the macburger 's claim is reasonable?

Reference no: EM13618132

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