document.write( "Question 80844: Looking for some help. this question is a smoker.\r
\n" ); document.write( "\n" ); document.write( "Among 100 people randomly chosen in a survey, 10 stated that they believed that the elected representatives are honest most of the time. The approximate 95% confidence interval for the percentage of the population who believe that such people are honest most of the time is \r
\n" ); document.write( "\n" ); document.write( "thank you for your time and help. \n" ); document.write( "

Algebra.Com's Answer #58020 by stanbon(75887) $\"\"$ $\"About$

You can put this solution on YOUR website!
Among 100 people randomly chosen in a survey, 10 stated that they believed that the elected representatives are honest most of the time. The approximate 95% confidence interval for the percentage of the population who believe that such people are honest most of the time is
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\n" ); document.write( "p-hat = 10/100=0.1
\n" ); document.write( "E=z*sqrt(pq/n)
\n" ); document.write( "E=1.96sqrt(0.1*0.9/100)
\n" ); document.write( "E=1.96*0.0009
\n" ); document.write( "E=0.0018
\n" ); document.write( "CI: (p-hat-E,p-hat+E)
\n" ); document.write( "CI: (0.1-0.0018, 0.1+0.0018)
\n" ); document.write( "CI: (0.0982,0.1018)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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