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After surveying 240 county residents about their feelings toward change in election policy you find that 75.7 were in favor. Using 95% confidence level the

After surveying 240 county residents about their feelings toward change in election policy you find that 75.7 were in favor. Using 95% confidence level the margin of error in this survey was more than 5% you need to reduce it to 3%. How many more residents need to be included in the survey to reduce margin of error to 3%

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