Elementary Statistics (12th Edition)

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

Chapter 8 - Hypothesis Testing - Review - Review Exercises - Page 433: 1


a) False b) True c) False d) False e) False

Work Step by Step

a) If the value of P is high, the null hypothesis (and not the alternative hypothesis) is supported. Hence it is false. b) In order to use a Student t distribution to test a claim, the data must be randomly selected, and the population must be normally distributed. Hence it is true. c) The requirement of a normal distribution is not "loose." Hence it is false. d) For people who are more likely to respond also may be more likely to have a passport, meaning that a larger sample size will not help. Hence it is false. e. The sample size is important for the results, hence it is false..
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