Mathematics, 25.03.2021 21:30 Vangnunu

An online retailer carried out a random survey on shipments done by its Order Fulfillment Department. In contacting 3,200 customers, the retailer tried to find out if there are problems with the shipments. The survey response rate was 80%. The two tables in Hint at the end of the question can help you with some calculations. (a)[2] Twenty eight shipments were found with problems, and each of those shipments is considered an error. Find DPU (7 decimal places), EPMO (1 decimal place), and the calculated sigma level of the fulfillment service (2 decimal places).

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An online retailer carried out a random survey on shipments done by its Order Fulfillment Department...

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