Business, 20.11.2019 20:31 skylarschumacher7

The 2003 statistical abstract of the us reported the percentage of people 18years of age and older who smoke. suppose that the study designed to collect new data on smokers and non smokers uses a preliminary estimate of the proportion who smokea. how large a sample should be taken to estimate the proportion of smokers in the population with a margin of error of .02? use 95% confidenceb. assume that the study uses your sample size recommendation in part (a) and finds 520 smokers. what is the point estimate of the proportion of smokers in the population? what is the 95% confidence interval for the population proportion of smokers in the population?

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The 2003 statistical abstract of the us reported the percentage of people 18years of age and older w...