Question: National statistics show that 23 of men smoke and 18 5

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?

View Solution:

Sale on SolutionInn
  • CreatedSeptember 02, 2015
  • Files Included
Post your question