Smoking Survey National statistics show that 23% of men smoke and 18.5% of women do. A

QUESTION:

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 intervaldoes it support the claim that there is a difference?