Mathematics
Mathematics, 02.11.2020 16:30, jmonee

The 2003 Statistical Abstract of the United States reported the percentage of people years of age and older who smoke. Suppose that a study designed to collect new data on smokers and nonsmokers uses a preliminary estimate of the proportion who smoke of . a. How large a sample should be taken to estimate the proportion of smokers in the population with a margin of error of

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