Asked by Joy

Suppose that IQ scores have a bell-shaped distribution with a mean of 97 and a standard deviation of 17. Using the empirical rule, what percentage of IQ scores are no more than 46?
Answered by R_scott
46 is three standard deviations below the mean

approx. 0.13% of the scores are at or below this point
Answered by Drew
Correct answer is approximately 0.15% of IQ scores are no more than 46.
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