Catherine Chao, Director of Marketing Research, is evaluating consumer acceptance of alternative toothpaste packages. She wonders whether acceptance is influenced by children in the household. Her staff prepared the following contingency table from a random sample of 100 households. Preferred Package Pump 18.79 O 16.79 5.28 9.49 O 13.19 Tube Children in Household Pre- teenagers 30 10 teenagers Using a - .05, the observed value of chi-square is 20 10 none 10 20

Catherine Chao, Director of Marketing Research, is evaluating consumer acceptance of alternative toothpaste packages. She wonders whether acceptance is influenced by children in the household. Her staff prepared the following contingency table from a random sample of 100 households. Preferred Package Pump 18.79 O 16.79 5.28 9.49 O 13.19 Tube Children in Household Pre- teenagers 30 10 teenagers Using a - .05, the observed value of chi-square is 20 10 none 10 20

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.7: Probability

Problem 6E: List the sample space of each experiment. Tossing three coins

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