a manufacturer of televisions has determined that the televisions need servicing after a mean of 67 months, with a standard deviation of 7.2 months. what length of warranty should be offered if the manufacturer wants to repair less than 1% of televisions

What is the length of bc ? enter your answer in the box.bc =

Y=4x^2+x-1 solve using quadratic formula

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease