Exhibit 6-10 A Professor at a Local University Noted That the Exam

Multiple Choice

Exhibit 6-10
A professor at a local university noted that the exam grades of her students were normally distributed with a mean of 73 and a standard deviation of 11.
-Refer to Exhibit 6-10. If 69.5 percent of the students received grades of C or better, what is the minimum score of those who received C's?

A) 70.39
B) 67.39
C) 50.39
D) 65.39