Mathematics, 22.02.2022 08:50, Sumysumy
the mean score was 68 and the standard deviation is 10. there are 1250 students that took the exam. what percentage scored 90 or better and what percentage scored 70-79?
Answers: 1
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the mean score was 68 and the standard deviation is 10. there are 1250 students that took the exam....
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