Question: 4. (10 points) The final grades in a statistics course are normally distributed with a mean of 75 and a standard deviation of 10. The

4. (10 points) The final grades in a statistics course are normally distributed with a mean of 75 and a standard deviation of 10. The professor must convert all marks to letter grades, She decides that she wants 10% A's, 35% B's, 40% C's, 10% D's, and 5% F's. Determine the cutoffs for each letter grade

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