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A local pizza store knows the mean amount of time it takes them to deliver an order is 45 minutes after the order is
A local pizza store knows the mean amount of time it takes them to deliver an order is 45 minutes after the order is placed. The manager has a new system for processing delivery orders, and they want to test if it changes the mean delivery time. They take a sample of delivery orders and find their mean delivery time is 48 minutes. Let represent the mean delivery time under the new system. What are appropriate hypotheses for their significance test?
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Business Statistics A First Course
Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan
7th Edition
9780321998217, 032197901X, 321998219, 978-0321979018
