Use the following information to answer the question. In a recent poll of 1200 randomly selected adult office workers, 32% said they had worn a Halloween costume to the office at least once.
The standard error for the estimate of the proportion of all American adult office workers that have worn a Halloween costume to the office is 0.0135
Report the 95% confidence interval for the proportion of all adult office workers who have worn a Halloween costume to the office at least once. (Round final calculations to the nearest tenth of a percent)
1.) ______
A) (28.0%, 36.1%)
B) (29.4%, 34.6%)
C) (30.7%, 33.4%)
D) None of these