Given a mean score of 46 and a standard deviation of 5, determine the following Z scores. Given a mean score of 60 and a standard deviation of 5, determine the following exam scores. Cholesterol levels in women 18 to 24 years of age are normally distributed with a mean of 200 and a standard deviation of 18. What cholesterol level corresponds to the Z = 1.3? There are 1,000 criminology major students at Fresno State with an average GPA of 2.8. If the standard deviation is 0.4, how many students would have a GPA between 2.4 and 3.2