Testing Claims About Proportions. In Exercises 718, test the given claim. Identify the

Chapter 9, Problem 14

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Testing Claims About Proportions. In Exercises 718, test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, Pvalue or critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim.Police Gunfire In a study of police gunfire reports during a recent year, it was found that among 540 shots fired by New York City police, 182 hittheir targets and among 283 shots fired by Los Angeles police, 77 hit their targets (based on data from the New York Times). We want to use a 0.05significance level to test the claim that New York City police and Los Angeles police have the same proportion of hits.a. Test the claim using a hypothesis test.b. Test the claim by constructing an appropriate confidence interval.continued c. Based on the results, does there appear to be a difference between the hit rates of New York City police and Los Angeles police?

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