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A local pizza store knows the mean amount of time it takes them to deliver an order is 454545 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 484848 minutes.

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tatendagota

Answer:

Difference = 30 303.8 minutes

Step-by-step explanation:

The difference in the mean of the the pizza produces is given by the following:

Later mean - Initial mean

= [tex]484848 - 454545\\= 30 303.8\\[/tex]

Answer:

H0 :μ=45 minutes

Ha:μ  doesnt not equal45 minutes

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Step-by-step explanation:

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