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Intelligence quotients (IQs) are normally distributed with a mean of 100 and standard deviation of 15....

Intelligence quotients (IQs) are normally distributed with a mean of 100 and standard deviation of 15. Use the 68-95-99.7 Rule to determine the percentage of people with IQ below 70.

Group of answer choices

a. 95%

b. 2.5%

c. 68%

d. 5%

Math   Statistics-And-Probability   
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