document.write( "Question 155313: You are involved in the evaluation of viewership of television shows for your local TV station. \r
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document.write( "You have been tasked to determine a 95% confidence interval for the viewing of a show called 'CSI Phoenix'. \r
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document.write( "You have randomly queried 400 local adults and determined that 150 of them watched the last episode of the show.\r
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document.write( ">> create a 95% confidence interval for the proportion of folks in the population that viewed the show
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Algebra.Com's Answer #114363 by stanbon(75887) ![]() You can put this solution on YOUR website! You have been tasked to determine a 95% confidence interval for the viewing of a show called 'CSI Phoenix'. \n" ); document.write( "---------------------------------------- \n" ); document.write( "You have randomly queried 400 local adults and determined that 150 of them watched the last episode of the show. \n" ); document.write( "sample proportion = 150/400 = 0.375 \n" ); document.write( "----------------------------------------- \n" ); document.write( ">> create a 95% confidence interval for the proportion of folks in the population that viewed the show \n" ); document.write( "------------------------- \n" ); document.write( "E = 1.96*sqrt[0.375*0.625/400] = 0.001148 \n" ); document.write( "------------------------- \n" ); document.write( "95% CI: 0.375-0.001148 < p < 0.375+0.001148 \n" ); document.write( "------------------------------------------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |