Question: . QUESTION 11 ..... [1.5 marks | Wenatchee Valley Telephone company claims that the standard deviation of the lengths of time it takes an incoming

.

. QUESTION 11 ..... [1.5 marks | Wenatchee Valley Telephone company claims

QUESTION 11 ..... [1.5 marks | Wenatchee Valley Telephone company claims that the standard deviation of the lengths of time it takes an incoming telephone call to be transferred to the correct office is less than 1.4 minutes. A random sample of 25 incoming telephone calls has a standard deviation of 1.1 minutes. At a = 0.1, is there enough evidence to support the company's claim? Assume the population is normally distributed. Solution. Please write your detailed solution here: Please write your answer in the boxes Critical value(s): Test value(s) Should we reject the null hypothesis

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!