Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321755936
ISBN 13: 978-0-32175-593-3

Chapter 8 - Inferences Based on a Single Sample - Exercises 8.1 - 8.19 - Applying the Concepts - Intermediate - Page 361: 8.17b

Answer

We will make a Type-I error when we conclude mean mercury level is less than 15 ppm when, however, it is equal to 15 ppm

Work Step by Step

Type-I error: when we reject Null hypothesis, but it was true. Type-II error: when we accept Null hypothesis, but Alternative Hypothesis is true
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