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It is known that the distribution of grades of a reading test for ten year olds is normally distributed with mean = 90 and standard
It is known that the distribution of grades of a reading test for ten year olds is normally distributed with mean = 90 and standard deviation = 15. Find the percentage of ten year olds who get grades:
- Between 60 and 120
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Successful Writing At Work Concise Edition
Authors: Philip C Kolin
4th Edition
1285974344, 9781285974347
