Elementary Statistics (12th Edition)

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

Chapter 9 - Inferences from Two Samples - 9-3 Two Means: Independent Samples - Basic Skills and Concepts - Page 463: 4


a) Same conclusions b)95%

Work Step by Step

a) If we use the hypothesis from part 1, then all three methods will end up in the same conclusion. b) Confidence level=1-significance level=1-0.05=0.95=95%.
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