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Question 1 A bank claims that the average time taken to serve a customer during lunch is 4.5 minutes with a population standard deviation of
Question 1
A bank claims that the average time taken to serve a customer during lunch is4.5 minuteswith a population standard deviation of1.5 minutes. To test this claim, a randomly selected sample of64 customers is taken and the sample average is computed.
At the 1% level of significance, is there evidenceto indicate that the average customer service time during lunch hour is equal to5 minutes. Answer the question using the six-step hypothesis testing process
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