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In a survey of 1000 drivers from Region​ A, 868 wear a seat belt. In a...

In a survey of 1000 drivers from Region​ A, 868 wear a seat belt. In a survey of 1000 drivers from Region​ B, 915 wear a seat belt. At alphaα equals=0.01, is there evidence to support the claim that the proportion of drivers who wear seat belts in Region A is less than the proportion of drivers who wear seat belts in Region​ B? Assume that the samples are random and independent. Complete a two sample z test.

State Ho and Ha:

Critical Value and Rejection Regions:

Test statistic:

Conclusions:

Math   Statistics-And-Probability   
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