Question

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

20792079

passenger cars in a particular​ region,

222222

had only rear license plates. Among

391391

commercial​ trucks,

5353

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

0.010.01

significance level to test that hypothesis.

a. Test the claim using a hypothesis test.

b. Test the claim by constructing an appropriate confidence interval.

Answer 1

Let the group be passenger cars be 1 and commercial​ trucks be 2. Then,

hence we can't say that commercial trucks owners violate laws requiring front license plates at a higher rate than owners of passenger cars.

Please upvote if you have liked my answer, would be of great help. Thank you.