Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

A company claims that the hold times for customer service averages at most 10 minutes. A random sample of 24 hold times has a mean

A company claims that the hold times for customer service averages at most 10 minutes. A random sample of 24 hold times has a mean of 11.2 minutes with a standard deviation of 2.9 minutes. Is there enough evidence to support the claim at = 0.05? Assume the population is normally distributed.

Yes, since p-value of 0.027 is greater than 0.05, fail to reject the null. Claim is null, so is supported

Yes, since p-value of 0.027 is less than 0.05, reject the null. Claim is null, so is supported

No, since p-value of 0.027 is less than 0.05, reject the null. Claim is null, so is not supported

No, since p-value of 0.027 is greater than 0.05, fail to reject the null. Claim is alternative, so is not supported

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored 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

WebAssign For Trigonometry

Authors: James Stewart

2nd Edition

1337772313, 9781337772310

More Books

Students also viewed these Mathematics questions

Question

Describe the nature of the basic owner-manager agency relationship.

Answered: 1 week ago

Question

4. What means will you use to achieve these values?

Answered: 1 week ago