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A restaurant chain claims that the waiting time for customers is 8 minutes with a population standard deviation of 1 minute. The quality control department

A restaurant chain claims that the waiting time for customers is 8 minutes with a population standard deviation of 1 minute. The quality control department found in a sample of 49 customers that the average waiting time was 2.75 minutes. With the significance level of 0.05, can you conclude that the average waiting time is greater than 3 minutes? Demonstrate the procedure and explain your response

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