Question
Suppose a retailer claims that the average wait time for a customer on its support line is 181 seconds. A random sample of 59 customers
Suppose a retailer claims that the average wait time for a customer on its support line is 181 seconds. A random sample of 59 customers had an average wait time of 170 seconds. Assume the population standard deviation for wait time is 49 seconds. Using a 95% confidence interval, does this sample support the retailer's claim?
Using a 95% confidence interval, does this sample support the retailer's claim? Select the correct choice below, and fill in the answer boxes to complete your choice.
(Round to two decimal places as needed.)
A. Yes, because the retailer's claim is
between the lower limit of___enter your response here seconds and the upper limit of__
enter your response here seconds for the mean wait time.
B. No, because the retailer's claim isnot
between the lower limit of __enter your response here seconds and the upper limit of __enter your response here seconds for the mean wait time.
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