Maddie teaches a class in which grades on an exam are normally distributed with a mean of u=100 and o=10.For retention purposes,maddies is required to report the probability that a randomly selected...

Maddie teaches a class in which grades on an exam are normally distributed with a mean of u=100 and o=10.For retention purposes,maddies is required to report the probability that a randomly selected score will have a value between x=85 and x=90.Which probability should maddie include on her report?