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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.
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jimthompson5910 (jim_thompson5910):
Hint: 68% of the distribution is within 1 standard deviation of the mean 95% of the distribution is within 2 standard deviations of the mean 99.7% of the distribution is within 3 standard deviations of the mean
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