document.write( "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? \n" ); document.write( "
Algebra.Com's Answer #216950 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! no interval options given. \n" ); document.write( " |