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. The professor has informed us that 8.75 percent of her students received grades of A. What is the minimum score needed to receive a grade of A?
A. 85.00
B. 95.00
C. 87.92
D. 90.00
Answer: C
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