Suppose we are testing people to see whether the rate of use of seat belts has changed
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Suppose we are testing people to see whether the rate of use of seat belts has changed from a previous value of 88%. Suppose that in our random sample of 500 people we see that 450 have the seat belt fastened. Which of the following figures has the correct p value for testing the hypothesis that the proportion who use seat belts has changed? Explain your choice.
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Dong Lin
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Related Book For 
Introductory Statistics Exploring The World Through Data
ISBN: 9780135163146
3rd Edition
Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan
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