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OpenStudy (anonymous):
A set of data has a normal distribution with a mean of 50 and a standard deviation of 8. What percent of the data should fall between 42 and 58? A. 95.5% B. 68% C. 47.5% D. 34%
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OpenStudy (cj49):
50+8=58 58-8/8=1 ull have a z score of 1
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