Unit Exercise 9.docx - Running Head Unit 9 Exercises 1. H0:p1p2=0 Ha:p1p2<0 completethefoll

Unit Exercise 9.docx - Running Head Unit 9 Exercises 1....

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Running Head: Unit 9 Exercises 1. Consider this hypothesis test:H0: p1 - p2 = 0Ha: p1 - p2 < 0Here p1 is the population mean of Population 1 and p2 is the population proportion of Population 2 Use the statistics summarized from a simple random sample of each of the two populations tocomplete the following: (12 points)Population 1Population 2Sample Size ( n)200250Sample proportion (pbar)0.650.70a.What is the pooled estimate of p? 7b.Compute the test statistic z. c.What is the rejection rule using the critical value approach and   = 0.05? α d.Based on the rejection rule from c., what is your conclusion on the hypothesis?e.What is the p-value?f.Use the above data to construct a 95% confidence interval for p1 - p/2 2
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