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Mathematics 7 Online
OpenStudy (vladthepro):

I think C. Am I correct? The grades on the last art exam had a mean of 75%. Assume the population of grades on art exams is known to be distributed normally, with a standard deviation of 7%. Approximately what percent of students earn a score between 75% and 82%? 37.2% 84.1% 34.1% <---- 50%

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