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9.6: A) Study reported in News Week December 23, 1991, involved a sample of 935

ID: 2955701 • Letter: 9

Question

9.6:
A)
Study reported in News Week December 23, 1991, involved a sample of 935 smokers. Each individual received a nicotine patch, which delivers nicotine to the bloodstream, but at a much slower rate that cigarettes do. Dosage was decreased to zero over a 12 week period. Suppose that 245 of the subjects were still not smoking 6 months after treatment, (this figure is consistent with the information given in the article). Estimate the percentage of all smokers who, when given this treatment, would refrain from smoking for at least 6 months.



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Explanation / Answer

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