Sample size 300 300 18) Smoking Survey National statistics show that 23% of men

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Sample size 300 300 18) Smoking Survey National statistics show that 23% of men smoke and 18.5% of women do. A random sample of 180 men indicated that 50 were smokers, and of 150 women surveyed, 39 indicated that they smoked Construct a 98% confidence interval for the true difference in proportions of male and female smokers Comment on your interval does it support the claim that there is a difference? Source: www.nchs.gov 9. College Education The percentages of adults 25 year of age and older who have completed 4 or more years

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