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wearing seat belts, 37 were killed. Among 7830 occupants wearing seat be level to test the claim that seat belts are effective in reducing fatalities. Co ... Because the confidence interval limits Because the confidence interval limits include for those not wearing seat belts. What do the results suggest about the effectiveness of seat belts? 0, it appears that va

wearing seat belts, 37 were killed. Among 7830 occupants wearing seat be level to test the claim that seat belts are effective in reducing fatalities. Co ... Because the confidence interval limits Because the confidence interval limits include for those not wearing seat belts. What do the results suggest about the effectiveness of seat belts? 0, it appears that va

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A simple random sample of front-seat occupants involved in car crashes is obtained Among 2905 occupants not wearing seat belts, 37 were killed. Among 7830 occupants wearing seat belts, 13 were killed Use a 0.05 significance level to test the claim that seat belts are effective in reducing fatalities. Complete parts (a) through (c) below. Because the confidence interval limits Because the confidence interval limits include for those not wearing seat belts. c. What do the results suggest about the effectiveness of seat belts? 0, it appears that the two fatality rates are values, it appears that the fatality rate is OA. The results suggest that the use of seat belts is associated with the same fatality rates as not using seat belts. B. The results suggest that the use of seat belts is associated with lower fatality rates than not using seat belts. C. The results suggest that the use of seat belts is associated with higher fatality rates than not using seat belts. OD. The results are inconclusive.
Transcribed Image Text:A simple random sample of front-seat occupants involved in car crashes is obtained Among 2905 occupants not wearing seat belts, 37 were killed. Among 7830 occupants wearing seat belts, 13 were killed Use a 0.05 significance level to test the claim that seat belts are effective in reducing fatalities. Complete parts (a) through (c) below. Because the confidence interval limits Because the confidence interval limits include for those not wearing seat belts. c. What do the results suggest about the effectiveness of seat belts? 0, it appears that the two fatality rates are values, it appears that the fatality rate is OA. The results suggest that the use of seat belts is associated with the same fatality rates as not using seat belts. B. The results suggest that the use of seat belts is associated with lower fatality rates than not using seat belts. C. The results suggest that the use of seat belts is associated with higher fatality rates than not using seat belts. OD. The results are inconclusive.
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