Mathematics, 26.10.2021 20:40 lovemelikeajew
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 60%
C: Scores below the top 40% 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 77 and a standard deviation of 10. Find the numerical limits for a B grade. Round your answers to the nearest whole number, if necessary.
Answers: 2
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A humanities professor assigns letter grades on a test according to the following scheme.
A: Top 1...
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