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StatisticsEssentials of Statistics for the Behavioral SciencesIQ test scores are standardized to produce a normal distribution with a mean of μ = 100 and a standard deviation of σ =15. Find the proportion of the population in each of the following IQ categories. a. Genius or near genius: IQ greater than 140 b. Very superior intelligence: IQ between 120 and 140 c. Average or normal intelligence: IQ between 90 and 109BuyFind*launch*

8th Edition

Frederick J Gravetter + 1 other

Publisher: Cengage Learning

ISBN: 9781133956570

Chapter 6, Problem 14P

Textbook Problem

IQ test scores are standardized to produce a normal distribution with a mean of μ = 100 and a standard deviation of σ =15. Find the proportion of the population in each of the following IQ categories.

**a.**Genius or near genius: IQ greater than 140**b.**Very superior intelligence: IQ between 120 and 140**c.**Average or normal intelligence: IQ between 90 and 109

Essentials of Statistics for the Behavioral Sciences

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