25. Payments. In a May 2007 Experian/Gallup PersonalCredit
Chapter 19, Problem 25(choose chapter or problem)
25. Payments. In a May 2007 Experian/Gallup PersonalCredit Index poll of 1008 U.S. adults aged 18 and over,8% of respondents said they were very uncomfortablewith their ability to make their monthly payments ontheir current debt during the next three months. A moredetailed poll surveyed 1288 adults, reporting similaroverall results and also noting differences among fourage groups: 1829, 3049, 5064, and 65+.a) Do you expect the 95% confidence interval for the trueproportion of all 18- to 29-year-olds who are worriedto be wider or narrower than the 95% confidence intervalfor the true proportion of all U.S. consumers?Explain.b) Do you expect this second polls overall margin of errorto be larger or smaller than the Experian/Galluppolls? Explain.
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