Formulas for Week 4.docx

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In a random sample of 500 people aged 20-24, 22% were smokers. In a random sample of 450 people aged 25-29, 14% were smokers. Test the claim that the proportion of smokers in the two age groups is the same. Use a significance level of 0.01. Show all steps of the hypothesis test and all calculations. H 0 : P 1 = P 2 Null Hypothesis H α : P 1 ≠ P 2 Alternative Hypothesis ^ p 1 = 110 500 ^ p 2 = 63 450
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