The results of an exam are distributed with a standard deviation of 6.54%. If 14% of the students scored below 55%, then the value of the mean correct to the nearest 10th of a percent is _____?
Montanna -You did not say, but assuming a standard normal distribution, the value of z corresponding with an area of 0.14 is equal to -1.0803. Now all you have to do is solve this equation for the mean:Hope this helped