Question: The professor is interested in testing the time that takes a student to complete his/her final exam. He thinks that at most 4 hours is

The professor is interested in testing the time that takes a student to complete his/her final exam. He thinks that at most 4 hours is enough for an exam. After selecting a sample of 36 students, he finds the average completion time is 3.75 hours. He knows the population standard deviation is 0.45 hours. Use a significance level of 0.05. Conduct an appropriate hypothesis test using the p-value method

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