1. 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...


1.




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
2051

passenger cars in a particular​ region,
227

had only rear license plates. Among
387

commercial​ trucks,
55

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
0.10

significance level to test that hypothesis.

a. Test the claim using a hypothesis test.

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





a. Identify the null and alternative hypotheses for this test. 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.








A.



H0​:

p1=p2



H1​:

p1<>







B.



H0​:

p1<>



H1​:

p1=p2







C.



H0​:

p1=p2



H1​:

p1≠p2







D.



H0​:

p1=p2



H1​:

p1>













Jun 09, 2022
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