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QUESTION 14 15 poin Nationwide, the average waiting time until an electric utility customer service representative answers a call is 310 seconds. The Gigantic Kilowatt

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QUESTION 14 15 poin Nationwide, the average waiting time until an electric utility customer service representative answers a call is 310 seconds. The Gigantic Kilowatt Energy Company randomly sampled 50 calls and found that, on average, they were answered in 289 seconds with a population standard deviation of 40 seconds. Can the company claim that they are faster than the average utility at a =0.05? To receive full credit, be sure to show all the following steps: Step 1: State the hypotheses in symbolic form and identify the type of test (left, right or two-tailed). Step 2: Identify the significance level, a. Find the critical value(s). Step 3: Compute the test value Step 4: Make the decision to reject or not reject the null hypothesis. Step 5: State the conclusion in the context of the

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