Essentials of Statistics (5th Edition)

Published by Pearson
ISBN 10: 0-32192-459-2
ISBN 13: 978-0-32192-459-9

Chapter 8 - Hypothesis Testing - 8-2 Basics of Hypothesis Testing - Page 392: 32

Answer

type I error

Work Step by Step

Type I error is when we reject the null hypothesis, although it is true. Type II error is when we fail to reject the null hypothesis, although it is false. The proportion is 0.001, hence the null hypothesis is true, hence it is a type I error.
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