Scores on a standard IQ test are normally distributed with mean 100 and standard deviation 15. Use the Empirical Rule and make a

Question

Scores on a standard IQ test are normally distributed with mean 100 and standard deviation 15. Use the Empirical Rule and make a sketch for each problem. What percent of the population have IQS
a) below 70?
b) between 70 and 115?
c) above 145?

Kunduz · Accepted Answer

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