Test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, and then state the conclusion about the null hypothesis, as well as the final conclusion that addresses the original claim. Among
passenger cars in a particular region,
had only rear license plates. Among
had only rear license plates. A reasonable hypothesis is that commercial trucks owners violate laws requiring front license plates at a higher rate than owners of passenger cars. Use a
significance level to test that hypothesis.
a. Test the claim using a hypothesis test.
b. Test the claim by constructing an appropriate confidence interval.
sufficient evidence to support the claim that commercial trucks owners violate laws requiring front license plates at a higher rate than owners of passenger cars.b. Identify the confidence interval limits for the appropriate confidence interval. Let population 1 correspond to the
passenger cars and population 2 correspond to the commercial trucks. Let a success be a vehicle that only has a rear license plate.
(Round to four decimal places as needed.)
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