document.write( "Question 796681: A poll is taken of 1,000 adults after each election. In a report construct 95% confidence intervals of the relevant population proportion to: Compare the approval rates of President Obama's handling of the oil spill and President Bush's handling of Hurricane Katrina\r
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document.write( " AUGUST 2011 - MARCH 2006
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document.write( "APPROVE 50% - 36%
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document.write( "DISAPPROVE 38% - 53%
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document.write( "NOT SURE 12% - 11%\r
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document.write( "Please help.. \n" );
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Algebra.Com's Answer #481544 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A poll is taken of 1,000 adults after each election. In a report construct 95% confidence intervals of the relevant population proportion to: Compare the approval rates of President Obama's handling of the oil spill and President Bush's handling of Hurricane Katrina \n" ); document.write( "AUGUST 2011 - MARCH 2006 \n" ); document.write( "APPROVE 50% - 36% \n" ); document.write( "DISAPPROVE 38% - 53% \n" ); document.write( "NOT SURE 12% - 11% \n" ); document.write( "------ \n" ); document.write( "I ran the approval %ages on my TI-84 \n" ); document.write( "using the 2-PropZInt function and got \n" ); document.write( "the following 95% confidence interval. \n" ); document.write( "(-0.0166,0.2500) \n" ); document.write( "----- \n" ); document.write( "Conclusion: Since 0 is in the interval \n" ); document.write( "the conclusion would be that the percentages \n" ); document.write( "are statistically the same. \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--- \n" ); document.write( " \n" ); document.write( " |