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Mathematics 5 Online
OpenStudy (anonymous):

IQ scores are normally distributed with a mean of 100 and a standard deviaiton of 15. If a certain statistician has an IQ of 120, approximately what percent of the population has an IQ greater than she does? Select the radio button corresponding to the correct answer. A. 15% B. 9% C. 99% D. 91% E. 20%

OpenStudy (amistre64):

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