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In a poll of 1,200 registered voters, a candidate receives support from 48%. The margin of error is 2.83% at 95% confidence. Which formula correctly expresses the margin of error? (Choose all that apply.)
In a poll of 1,200 registered voters, a candidate receives support from 48%. The margin of error is 2.83% at 95% confidence. Which formula correctly expresses the margin of error? (Choose all that apply.)