ajbrock1004
06.05.2020 •
Mathematics
The scores on a college history exam are normally distributed with a mean of 81 and a standard deviation of 6. The test scores range from 0 to 100. A score of at least 75 points is necessary to receive a grade of C or better. About what percent of students taking the test receive a grade of C or better on the exam?
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Ответ:
i need points okk
Step-by-step explanation:
i need points okk