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Mathematics 14 Online
OpenStudy (anonymous):

Adult IQ scores have a bell-shaped distribution with a mean of 100 and a standard deviation of 15. Use the Empirical Rule to find the percentage of adults with scores between 70 and 130. 1) 68% 2) 100% 3) 99.7% 4) 95%

OpenStudy (unklerhaukus):

z score is less that 2 is 95% of the data

OpenStudy (anonymous):

Thanks

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