document.write( "Question 1078708: A simple random sample of 1600 persons is taken to estimate the percentage of Democrats among 25000 eligible voters in a certain town. It turns out that 873 people in the sample are Democrats.\r
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document.write( "We can be 95 percent confident that between __________percent and _______percent of the voters are Democrats. \n" );
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Algebra.Com's Answer #693089 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 0.546 is point estimate \n" ); document.write( "interval is +/- 1.96 * sqrt(p*(1-p))/n)=0.024 \n" ); document.write( "CI is (.522, .570) \n" ); document.write( "or 52.2% and 57.0% \n" ); document.write( " |