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 2031 passenger cars in a particular​ region, 223 had only rear license plates. Among 303 commercial​ trucks, 45 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 0.01 significance level to test that hypothesis.

a. what is the test statistic?

b. identify the P-Value ?

c.

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.

nothing less than<p 1p1minus−p 2p2less than<nothing

​(Round to four decimal places as​ needed.)

Answer 1