A psychology professor assigns letter grades on a test according to the following scheme.A: Top 7%7% of scoresB: Scores below the top 7%7% and above the bottom 62%62%C: Scores below the top 38%38% and above the bottom 24%24%D: Scores below the top 76%76% and above the bottom 6%6%F: Bottom 6%6% of scoresScores on the test are normally distributed with a mean of 80.180.1 and a standard deviation of 88. Find the numerical limits for a D grade. Round your answers to the nearest whole number, if necessary.

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Asked Mar 5, 2020
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A psychology professor assigns letter grades on a test according to the following scheme.

A: Top 7%7% of scores

B: Scores below the top 7%7% and above the bottom 62%62%

C: Scores below the top 38%38% and above the bottom 24%24%

D: Scores below the top 76%76% and above the bottom 6%6%

F: Bottom 6%6% of scores

Scores on the test are normally distributed with a mean of 80.180.1 and a standard deviation of 88. Find the numerical limits for a D grade. Round your answers to the nearest whole number, if necessary.

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