The board of a major credit card company requires that the mean wait time for customers for service calls is at most 100 minutes. To make sure that the wait time does not exceed the requirement, an assignment manager tracks the wait times of 45 randomly selected calls. The mean wait time was calculated to be 3.4 minutes. Assuming the population standard deviation is 1.45 minutes:
State the null hypothesis.

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08-07-2024
Business

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The board of a major credit card company requires that the mean wait time for customers for service calls is at most 100 minutes. To make sure that the wait time does not exceed the requirement, an assignment manager tracks the wait times of 45 randomly selected calls. The mean wait time was calculated to be 3.4 minutes. Assuming the population standard deviation is 1.45 minutes:
State the null hypothesis.

Sagot :

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