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A math professor notices that scores from a recent exam are Normally distributed with a mean...

A math professor notices that scores from a recent exam are Normally distributed with a mean of 65 and a standard deviation of 9.

(a) What score do 25% of the students exam scores fall below?

(b) Suppose the professor decides to grade on a curve. If the professor wants 16% of the students to get an A, what is the minimum score for an A?

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