Basic Statistics: Tales of Distributions 10th Edition

Published by Cengage Learning
ISBN 10: 0-49580-891-1
ISBN 13: 978-0-49580-891-6

Chapter 7 - Theoretical Distributions Including the Normal Distribution - Problems - Page 143: 7.24


Thus, the nobility that an individual has an IQ score less that 61 or greater than 139 is .01.

Work Step by Step

We previously determined that these 2 IQ scores enclose the middle 99% of all IQ scores. Thus, the 2 shaded regions represent the 1% extreme IQ scores. We know that 1% is decimally represented as .01.
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