Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0-32191-121-0
ISBN 13: 978-0-32191-121-6

Chapter 7 - Hypothesis Testing with One Sample - Section 7.1 Introduction to Hypothesis Testing - Exercises - Page 362: 54

Answer

We can never use level of significance a = 0, as we can never be 100% sure that a claim is right

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