Answer
(a).
Work Step by Step
The significance level $\alpha$ is the probability of making a Type I error, thus it is the probability of rejecting $H_0$ when $H_0:\mu=0$ is true. Thus the answer is (a).
The Basic Practice of Statistics 7th Edition
by Moore, David S.; Notz, William I.; Fligner, Michael A.
Published by
W. H. Freeman
ISBN 10:
146414253X
ISBN 13:
978-1-46414-253-6
Chapter 18 - Inference in Practice - Check Your Skills - Page 434: 18.25
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
