Previous 4v Next Evaluating Reports Based on Data: Mastery Test Submit Test To 4 Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. A survey of factories in five northeastern states found that 10% of the 300 workers surveyed were satisfied with the benefits offered by their employers. The margin of error for the population proportion, rounded to the nearest hundredth of a percent, is + %. Reset Next