The MacBurger restaurant chain claims that the waiting time of customers for service is normally dis
Question: The MacBurger restaurant chain claims that the waiting time of customers for service is normally distributed, with a mean of 3 minutes and a standard deviation of 1 minute. The quality-assurance department found in a sample of 50 customers at the Warren Road MacBurger that the mean waiting time was 2.75 minutes. At the 05 significance level, can we conclude that the mean waiting time is less than 3 minutes?
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Answer: The solution file consists of 1 page
Solution Format: Word Document
Solution Format: Word Document
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