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Randomly selected deaths from car crashes were obtained, and the results are obtained in the accompanying table. Use a 0.05 significance level to test the
Randomly selected deaths from car crashes were obtained, and the results are obtained in the accompanying table. Use a 0.05 significance level to test the claim that car crash fatalities occur with equal frequency on the different days of the week. How might the results be explained? Why does there appear to be an exceptionally large number of car crash fatalities on Saturday? Day Sun. Mon. Tues. Wed. Thurs. Fri. Sat Number of Fatalities 129 97 105 104 93 132 157 Determine the null and alternative hypotheses. Ho: Calculate the test statistic, x. x2 = (Round to three decimal places as needed.) Calculate the P-value. P-value = (Round to three decimal places as needed.) What is the conclusion for this hypothesis test? Because the P-value is the significance level, Ho. There sufficient evidence to warrant rejection of the claim that car crash fatalities occur with equal frequency on the different days of the week. How might the results be explained? Why does there appear to be an exceptionally large number of car crash fatalities on Saturday? O A. Driving is less risky on the weekend than during the week. O B. People are less likely to drive more on the weekends, and may be less likely to drink and drive on weekends. O C. Driving is more risky on the weekend than during the week. O D. People are more likely to drive more on the weekends, and may be more likely to drink and drive on weekends
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