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A national survey of 40,000 adults in the US in 1992 found that 26% of adults were current smokers. A similar survey of 37,000 adults in the US in 1966 found that 43% of adults were current smokers. Test at a 5% level of significance whether the proportion of smokers in 1991 is different from the proportion of smokers in 1965.Make sure to

1. Give the null and alternative hypotheses,

2. Calculate the test statistic, and 3. give the conclusion (including a comparison to alpha or the critical value)

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91000218

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