Multiple Choice
Suppose that, for a certain exam, a teacher grades on a curve according to the figure shown below. It is known that the grades follow a normal distribution with a mean of 60 and a standard deviation of 4. There are 45 students in the class. What score would be necessary to obtain a B? 
A) 69
B) 60
C) 56
D) 64
E) 80
Correct Answer:

Verified
Correct Answer:
Verified
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