Mathematics, 26.05.2021 15:40 gyexisromero10
A psychology professor assigns letter grades on a test according to the following scheme. A: Top 15%15% of scores B: Scores below the top 15%15% and above the bottom 60%60% C: Scores below the top 40%40% and above the bottom 15%15% D: Scores below the top 85%85% and above the bottom 8%8% F: Bottom 8%8% of scores Scores on the test are normally distributed with a mean of 71.971.9 and a standard deviation of 7.57.5. Find the minimum score required for an A grade. Round your answer to the nearest whole number, if necessary.
Answers: 1
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A psychology professor assigns letter grades on a test according to the following scheme. A: Top 15%...
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