Question 40

Question 40 1 pts Time magazine reported the result of a telephone poll of 800 adult Americans. The question posed of the Americans who were surveyed was: "Should the federal tax on cigarettes be raised to pay for health care reform?" The results of the survey were: Non-smokers Smokers n1 505, x1 =351 said "Yes" n2=195, x2=41 said "Yes" Find a 95% confidence interval for p1 - p2: Round to two decimals. (0.41, 0.55) (0.41,0.55) O (.41, .55) O (.41,.55)