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QUESTION
A 20-point midterm test results in grades which are normally distributed with a mean of 13 and standard deviation of 3.
A 20-point midterm test results in grades which are normally distributed with a mean of 13 and standard deviation of 3. The professor would like 15% of the class to get A’s, 30% to bet B’s, 30% to get C’s, 15% to get D’s and 10% F’s. What would be the minimum and maximum scores required for each of these grades?
