The final marks in a statistics course are normally distributed with a mean of 70 and a
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The final marks in a statistics course are normally distributed with a mean of 70 and a standard deviation of 10. The professor must convert all marks to letter grades. She decides that she wants 10% A’s, 30% B’s, 40% C’s, 15% D’s, and 5% F’s.
Determine the cutoffs for each letter grade.
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Related Book For
Statistics For Management And Economics Abbreviated
ISBN: 9781285869643
10th Edition
Authors: Gerald Keller
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