A first year medical school class (n = 200) took a first midterm examination in human physiology. The results were as follows (_X = 65, S = 7). Explain how you would standardize any particular score from this distribution, and then solve the following problems:
a. What Z score corresponds to a test score of 40?
b. What Z score corresponds to a test score of 50?
c. What Z score corresponds to a test score of 60?
d. What Z score corresponds to a test score of 70?
e. How many students received a score of 75 or higher?