Posted by charmaine on Friday, April 27, 2012 at 8:40pm.
a bank's loan officer rates applicants for credit. the ratings are normally distributed with a mean of 175 and a standard deviation of 15. if an applicant is randomly selected, find the probability of a rating that is between 150 and 200

statistic  PsyDAG, Saturday, April 28, 2012 at 8:19pm
Z = (scoremean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z scores.