SOLUTION: The time to repair an electronic device is a normally distributed random variable measured in hours. It is believed that the true average time to repair such a device is 225 ho

Algebra.Com
Question 302551: The time to repair an electronic device is a normally distributed random variable measured in hours. It is believed that the true average time to repair such a device is 225 hours. Which of the following 95% confidence intervals would lead to rejecting the claim that the average time to repair the devices is 225 hours?
Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
no interval options given.
RELATED QUESTIONS

The time to repair an electronic device is a normally distributed random variable... (answered by stanbon)
The time to repair an electronic device is a normally distributed random variable... (answered by solver91311)
the time taken by the electronic device in a car to respond to a signal from the toll... (answered by robertb)
The time required to assemble an electronic device is normally distributed with a mean... (answered by ikleyn)
PLEASE HELP ME! THERE ARE 4 PART OF THE QUESTIONS TO THIS PROBLEM. Revenues from an... (answered by Fombitz)
4–76. The number of newspapers demanded daily in a large metropolitan area is believed... (answered by stanbon)
PLEASE HELP ME! Revenues from an electronic device are shown in the table. Let P be... (answered by Fombitz,ewatrrr)
The life of an alkaline battery in constant use is a normally distributed random variable (answered by Fombitz)
A company ships 5000 cellphones that are expected to last an average of 10 000 hours each (answered by ikleyn)