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Mathematics, 30.01.2021 01:00 ogneshelle
A grading scale is set up for 1000 students’ test scores. It is assumed that the scores are normally distributed with a mean score of 75 and a standard deviation of 15. What was the minimum score needed and still in the top 20%?
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A grading scale is set up for 1000 students’ test scores. It is assumed that the scores are normally...
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