Mathematics, 02.09.2019 01:10 yokis2710
In 1965, about 44% of the u. s. adult population had never smoked cigarettes. a national health survey of 1472 u. s. adults (presumably selected randomly) during 2010 revealed that 677 had never smoked cigarettes. a 99% confidence interval for the proportion of u. s. adults in 2006 who have never smoked is
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In 1965, about 44% of the u. s. adult population had never smoked cigarettes. a national health surv...
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