When Bargaining Pays Off According to anational representative survey done by

Chapter 8, Problem 60

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When Bargaining Pays Off According to anational representative survey done by ConsumerReports, you should always try to negotiate for a betterdeal when shopping or paying for services.15 Tipsinclude researching prices at other stores and on theInternet, timing your visit late in the month when sales people are trying to meet quotas, and talking to a managerrather than a salesperson. Suppose that randomsamples of 200 men and 200 women are taken, and thatthe men were more likely than the women to say theyalways or often bargained (30% compared with 25%).a. Construct a 95% confidence interval for the differencein the proportion of men and women who saythey always or often negotiate for a better deal.b. Do the data indicate that there is a difference in theproportion of men and women who say they alwaysor often negotiate for a better deal? Explain.