Answer 2 questions below………………………



  • Attachment 1
  • Attachment 2

Test the given claim. Identity the null hypothesis, alternative hypothesis, test statistic. P—value. and then state the conclusion about the null hypothesis. as well as the final conclusion thataddresses the original claim. Among 213? passenger cars in a particular region. 236 had only rear license plates. Among 400 commercial trucks. 59 had only rear license plates. A reasonablehypothesis is that commercial trucks owners violate laws requiring front license plates at a higher rate than owners of passenger cars. Use a 0.05 significance level to test that hypothesis. a. Identify the test statistic. (Round to two decimal places as needed.) Identify the P—value. (Round to three decimal places as needed.) 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 asuccess he a vehicle that only has a rear license plate. ‘ P1 ‘P2 <{Round to four decimal places as needed}