Multiple Choice
A set of final examination grades in a calculus course was found to be normally distributed with a mean of 69 and a standard deviation of 9.What is the probability of getting a grade of 91 or less on this exam?
A) 1.00
B) 0.50
C) 0.0073
D) .9927
Correct Answer:

Verified
Correct Answer:
Verified
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