Mathematics, 10.01.2020 03:31 mistiehaas
Students’ scores on a test are normally distributed with mean 65 and standard deviation 20. however, the professor discovered that some questions were defective, so the professor decided to adjust the scores by subtracting each student’s score by 0.8, then multiplying by 1.1. find the sum of the first and second raw moments of the adjusted score.
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Students’ scores on a test are normally distributed with mean 65 and standard deviation 20. however,...
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