fslc6615 fslc6615

25-03-2024
Mathematics

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In 1965, about 44% of the US adult population had never smoked cigarettes. a national health survey of 1472 US adults (presumably selected randomly) during 2010 revealed that 677 had never smoked cigarettes. A 99% confidence interval for the proportion of US adults in 2006 who have never smoked is?

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