EBK STATISTICAL TECHNIQUES IN BUSINESS
EBK STATISTICAL TECHNIQUES IN BUSINESS
17th Edition
ISBN: 9781259924163
Author: Lind
Publisher: MCGRAW HILL BOOK COMPANY
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Chapter 15, Problem 2E

The following hypotheses are given.

H 0 : π = .40 H 1 : π .40

A sample of 120 observations revealed that p = .30. At the .05 significance level, can the null hypothesis be rejected?

  1. a. State the decision rule.
  2. b. Compute the value of the test statistic.
  3. c. What is your decision regarding the null hypothesis?
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Which pair of the hypotheses would be correct for the following claim: Claim: The percentage of cars sold with manual transmission is 2018 (group 1) is lower than the percentage of cars sold with manual transmission in 2010 (group 2) A. H0 :p1 −p2 =0andH1 :p1 −p2 <0 B. H0 :p1 −p2 <0andH1 :p1 −p2 =0 C. H0 :p1 −p2 =0andH1 :p1 −p2 ̸=0 D. H0 :p1 −p2 ̸=0andH1 :p1 −p2 =0 E. H0 :p1 −p2 =0andH1 :p1 −p2 >0 F. H0 :p1 −p2 >0andH1 :p1 −p2 =0

Chapter 15 Solutions

EBK STATISTICAL TECHNIQUES IN BUSINESS

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