Mathematics, 01.04.2021 02:20, angelica7773
A philosophy 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 56%
C: Scores below the top 44% and above the bottom 20%
D: Scores below the top 80% and above the bottom 9%
F: Bottom 9% of scores
Scores on the test are normally distributed with a mean of 78.6 and a standard deviation of 9.5. Find the minimum score required for an A grade. Round your answer to the nearest whole number, if necessary.
Answers: 2
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A philosophy professor assigns letter grades on a test according to the following scheme.
A: Top 12...
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