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A health magazine reported that 27% of adult males smoke cigarettes. To test this claim, they select 40 adult males at random and record
A health magazine reported that 27% of adult males smoke cigarettes. To test this claim, they select 40 adult males at random and record if they smoke cigarettes. They calculate a 95% confidence interval for the proportion of adult males who smoke and find it is .22 to .28. Based on the confidence interval, is it plausible that the true proportion of adult males who smoke cigarettes is 27%? Explain your answer. Yes, 27% falls outside the confidence interval No, 27% falls outside the confidence interval Yes, the confidence interval 0.22 to 0.28 contains the 27% claim. No, the confidence interval 0.22 to 0.28 contains the 27% claim.
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