who knows how to answer this question? 4. Peter’s new IT Help - TopicsExpress

who knows how to answer this question? 4. Peter’s new IT Help Company is concerned that the mean wait time of their phone customers for a customer service agent is not greater than 15 minutes. It can be assumed that the population variance is 9 minutes 6 seconds based on past experience. A sample of 563 customers is selected and the sample mean is 16 minutes 30 seconds. Using a level of significance of .10, is there evidence that the population mean wait time is greater than 15 minutes? Fully explain your answer. Reminder: Please use the five-steps for hypothesis testing as outlined in your Lind textbook. Yes, that means I want you to label and discuss each step (Step 1, Step 2, etc.). I will give you a prize for helping me.

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