Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 8 - Hypothesis Testing - 8-2 Basics of Hypothesis Testing - Basic Skills and Concepts: 5

Answer

a) p=0.2 b) Null hypothesis:p=0.2, alternative hypothesis: p is not 0.2.

Work Step by Step

a) The claim says that the population's proportion is equal to p=20%=0.2. b) The null hypothesis says that the population's proportion is equal to p=0.2, whilst the alternative hypothesis says that the population's proportion is not equal to p=0.2.
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