A poll of 991 U S adults split the sample into four age groups ages...
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A poll of 991 U S adults split the sample into four age groups ages 18 29 30 49 50 64 and 65 In the youngest age group 65 said that they thought the U S was ready for a woman president as opposed to 32 who said no the country was not ready 3 were undecided The sample included 248 18 to 29 year olds a Do you expect the 95 confidence interval for the true proportion of all 18 to 29 year olds who think the U S is ready for a woman president to be wider or narrower than the 95 confidence interval for the true proportion of all U S adults b Construct a 95 confidence interval for the true proportion of all 18 to 29 year olds who believe the U S is ready for a woman president XL a The 95 confidence interval for the true proportion of 18 to 29 year olds who think the U S is ready for a woman president will be about the true proportion of all U S adults who think this b The 95 confidence interval is Round to one decimal place as needed twice as wide as the 95 confidence interval for
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