Testing the Difference Between Two Proportions In Exercises 712, (a) identify the claim
Chapter 8, Problem 11(choose chapter or problem)
Testing the Difference Between Two Proportions In Exercises 712, (a) identify the claim and state H0 and Ha, (b) find the critical value(s) and identify the rejection region(s), (c) find the standardized test statistic z, (d) decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim. Assume the samples are random and independent. If convenient, use technology.Seat Belt Use In a survey of 480 drivers from the South, 408 wear a seatbelt. In a survey of 360 drivers from the Northeast, 288 wear a seat belt.At a = 0.05, can you support the claim that the proportion of drivers whowear seat belts is greater in the South than in the Northeast? (Adapted fromNational Highway Traffic Safety Administration
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