SOLUTION: Suppose that IQ scores have a bell-shaped distribution with a mean of 97
97and a standard deviation of 12. Using the empirical rule, what percentage of IQ scores are greater than
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97and a standard deviation of 12. Using the empirical rule, what percentage of IQ scores are greater than
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Question 1133522: Suppose that IQ scores have a bell-shaped distribution with a mean of 97
97and a standard deviation of 12. Using the empirical rule, what percentage of IQ scores are greater than 133? Answer by rothauserc(4718) (Show Source):
You can put this solution on YOUR website! (133 - 97)/12 = 3 standard deviations
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The 68-95-99.7 rule tells us that 68% of a Normal Distribution can be found within 1 standard deviation, 95% can be found within 2 standard deviations and 99.7% can be found within 3 standard deviations
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Therefore, 100 - 99.7 = 0.3% of IQ scores are greater than 133
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