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Mathematics, 11.03.2020 23:15 ptrlvn01
An English professor assigns letter grades on a test according to the following scheme. A: Top 5% of scores B: Scores below the top 5% and above the bottom 64% C: Scores below the top 36% and above the bottom 23% D: Scores below the top 77% and above the bottom 9% F: Bottom 9% of scores Scores on the test are normally distributed with a mean of 78.8 and a standard deviation of 7.1. Find the numerical limits for a D grade. Round your answers to the nearest whole number, if necessary.
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An English professor assigns letter grades on a test according to the following scheme. A: Top 5% of...
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