Mathematics, 30.06.2021 19:50 viviansotelo12

A humanities professor assigns letter grades on a test according to the following scheme. A: Top 12% of scores B: Scores below the top 12% and above the bottom 62% C: Scores below the top 38% and above the bottom 17% D: Scores below the top 83% and above the bottom 7% F: Bottom 7% of scores Scores on the test are normally distributed with a mean of 75.2 and a standard deviation of 9.8. Find the minimum score required for an A grade. Round your answer to the nearest whole number, if necessary.

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A humanities professor assigns letter grades on a test according to the following scheme. A: Top 12%...

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