In 2014, a survey stated that 57% of 600 randomly sampled North Carolina residents planned to set off fireworks on July 4th. a) Determine the margin of error for the 95% confidence interval for the proportion of North Carolina residents that plan to set off fireworks. Give your answer to three decimal places.Margin of Error = % b) How many randomly sampled residents do we need to survey if we want the 95% margin of error to be less than 3%?Sample size People