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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 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. OA. (29 49%, 34.695) O B. (28.0%%, 36,196) C. (30.7%%, 33.496) O D. None of these