Part 2 (b) What is the margin of error? Round your answer to one decimal place. margin of error - i % Part 3 (c) If we want a margin of error of only 1% (with 90% confidence), what sample size is needed? Round your answer up to the nearest integer. sample size = i Current Attempt in Progress Consider random samples of size 1100 from a population with proportion 0.75. Find the standard error of the distribution of sample proportions. Round your answer for the standard error to three decimal places. standard error = i Does the Public Support Sin Taxes? A survey of 1000 adults in the US conducted in March 2011 asked "Do you favor or oppose 'sin taxes' on soda and junk food?" The proportion in favor of taxing these foods was 32 %.1 132% favor 'sin taxes' on soda, junk food", Rasmussen Reports, April 1, 2011.