A sociology professor assigns letter grades on a test according to the following scheme. A: Top 13% of scores B: Scores below the top 13% and above the bottom 59 % C: Scores below the top 41 % and above the bottom 23% D: Scores below the top 77% and above the bottom 9% F: Bottom 9% of scores Scores on the test are normally distributed with a mean of 70.8 and a standard deviation of 8.6. Find the minimum score required for an A grade. Round your answer to the nearest whole number, if necessary.

MATLAB: An Introduction with Applications
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A sociology professor assigns letter grades on a test according to the following scheme.
A: Top 13% of scores
B: Scores below the top 13 % and above the bottom 59 %
C: Scores below the top 41 % and above the bottom 23 %
D: Scores below the top 77 % and above the bottom 9%
F: Bottom 9% of scores
Scores on the test are normally distributed with a mean of 70.8 and a standard deviation of 8.6. Find the
minimum score required for an A grade. Round your answer to the nearest whole number, if necessary.
Transcribed Image Text:A sociology professor assigns letter grades on a test according to the following scheme. A: Top 13% of scores B: Scores below the top 13 % and above the bottom 59 % C: Scores below the top 41 % and above the bottom 23 % D: Scores below the top 77 % and above the bottom 9% F: Bottom 9% of scores Scores on the test are normally distributed with a mean of 70.8 and a standard deviation of 8.6. Find the minimum score required for an A grade. Round your answer to the nearest whole number, if necessary.
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