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In a poll conducted before the 2012 Republican presidential primary in Michigan, 134 of 420 randomly...
In a poll conducted before the 2012 Republican presidential primary in Michigan, 134 of 420 randomly chosen likely voters indicated that they planned to vote for Mitt Romney.
Find the margin of error for the proportion of voters who planned to vote for Mitt Romney using a confidence level of 99%. Round to three decimal places.
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