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Use the following information for Q 1 through Q 5 . ( p . 2 8 8 , q 9 . 2 9 ) An
Use the following information for Q through Q
p q An insurance company has the business objective of reducing the amount of time it takes to approve applications for
life insurance. The approval process consists of underwriting, which includes a review of the application, a medical information
bureau check, possible requests for additional medical information and medical exams, and a policy compilation state in which the
policy pages are generated and sent for delivery. The ability to deliver approved policies to customers in a timely manner is critical
to the profitability of this service. During a period of one month, you collect a random sample of approved policies and the total
processing time, in days, and the summary statistic is presented as below. In the past, the average processing time was days. At
the level of significance, is there evidence that the mean processing time has been reduced?
What would be the proper alternative hypothesis?
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