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A bank manager wants the average time that a customer waits in line to be at most 3 minutes. Customers at the bank have complained about the long wait times. To test whether the average wait time at the
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40 votes
40 votes
A bank manager wants the average time that a customer waits in line to be at most 3 minutes. Customers at the bank have complained about the long wait times. To test whether the average wait time at the bank is greater than 3 minutes, 60 customers were randomly selected as they entered the bank and their wait times were recorded. The mean wait time was 4. 7 minutes. A one-sample t-test resulted in a p-value of 0. 31. Which of the following is an appropriate interpretation of the p-value?.

User AlejandroDG
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15 votes
15 votes

Answer:

The option E is correct option which is if the population mean wait time is 3 minutes, the probability of observing a sample mean wait time of 4.7 minutes or more is 0.00031

Explanation: hope it helped

User DJohnson
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