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8th Edition

Frederick J Gravetter + 1 other

Publisher: Cengage Learning

ISBN: 9781133956570

Chapter 6, Problem 7P

Textbook Problem

What proportion of a normal distribution is located between each of the following *z*-score boundaries?

**a.** *z* = −0.25 and *z* = +0.25

**b.** *z* = −0.67 and *z* = +0.67

**c.** *z* = −1.20 and *z =* +1.20

Essentials of Statistics for the Behavioral Sciences

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