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. Genius or near genius: IQ over 140 Very superior intelligence: IQ from 120–140 Average or normal intelligence: IQ from 90–109
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. Genius or near genius: IQ over 140 Very superior intelligence: IQ from 120–140 Average or normal intelligence: IQ from 90–109
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 9PT
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- 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.
Genius or near genius: IQ over 140
Very superior intelligence: IQ from 120–140
Average or normal intelligence: IQ from 90–109
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