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Test: Final Exam Question 18 of 18 This test: 49 point(s) possible This question: 4 point(s) possible Submit test Suppose the mean wait-time for a telephone reservation agent at a large airline is 43 seconds. A manager with the airline is concerned that business may be lost due to customers having to wait too long for an agent, To address this concern, the manager develops new airline reservation policies that are intended to reduce the amount of time an agent needs to spend with each customer. A random sample of 250 customers results in a sample mean wait-time of 47 7 seconds with a standand deviation of 4 2 seconds Using it-0 015 level of sinnificance do you believe the new policies were effective in redorinn wait time? Do you think the results have any practical Determine the null and alternative hypotheses 43 seconds 43 seconds Calculate the test statistic. (Round to two decimal places as needed.) Calculate the P.value, P-value = (Round to three decimal places as needed, State the conclusion for the test O A. Reject Ho because the P-value is greater than the a = 0,05 level of significance O B. Do not reject Ho because the Pivalue is greater than the a # 0.05 level of significance, O Time Remaining: 01:60 37 Submit test Textbook Statcrunch Tech help 7:40 AM 64'F Sunny ~ 9 0 1() Type here to search O Et m 5/1/2022