Exam grades: Scores on a stats final in a large class were normally distributed with a mean of 75 and a standard deviation of 8. A) Find the 40th percentile of the scores. B) Find the 65th percentile...

Exam grades: Scores on a stats final in a large class were normally distributed with a mean of 75 and a standard deviation of 8.

A) Find the 40th percentile of the scores.

B) Find the 65th percentile of the scores.

C) The instructor wants to give an A to the students whose scores were in the top 10% of the class. What is the minimum score needed to get an A?

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