Answered step by step
Verified Expert Solution
Link Copied!

Question

00
1 Approved Answer

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.

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access with AI-Powered Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Accounting Principles Part 2

Authors: Jerry J. Weygandt, Donald E. Kieso, Paul D. Kimmel, Barbara Trenholm, Valerie Kinnear, Joan E. Barlow

6th Canadian edition Volume 1

1118306791, 978-1118306796

Students also viewed these Mathematics questions