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A Poll Of 2,500 People Shows That 50% Approve Of A Smoking Ban In Bars And Restaurants. What Is The Margin Of Error, Assuming A 95% Confidence Level? What Is The Confidence Interval? - Math Discussion

A poll of 2,500 people shows that 50% approve of a smoking ban in bars and restaurants. What is the margin of error, assuming a 95% confidence level? What is the confidence interval?