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An art history professor assigns letter grades on a test according to the following scheme. A: Top 5% of scoresB: Scores below the top 5% and above the bottom 62%C: Scores below the top 38% and above the bottom 22%D: Scores below the top 78% and above the bottom 5%F: Bottom 5% of scoresScores on the test are normally distributed with a mean of 73.3 and a standard deviation of 9.7. Find the numerical limits for a B grade. Round your answers to the nearest whole number, if necessary.
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An art history professor assigns letter grades on a test according to the following scheme. A: Top 5...
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