document.write( "Question 610296: Suppose a recent poll of 1304 people concluded that 34% of American car owners do not know how to replace a flat tire with the spare. Find the margin of error and the 95% confidence interval.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Please help this question is confusing.
\n" ); document.write( "

Algebra.Com's Answer #384340 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,
\n" ); document.write( "a recent poll of 1304 people concluded that 34% of American car owners do not
\n" ); document.write( " know how to replace a flat tire with the spare
\n" ); document.write( "Find the margin of error and the 95% confidence interval.
\n" ); document.write( "ME = 1.96\"sqrt%28%28.34%2A.66%29%2F1304%29\"=.026
\n" ); document.write( "95% confidence interval is .314 to .426 0r 31.4% to 42.6%
\n" ); document.write( "________________________________________________________________________________\r
\n" ); document.write( "\n" ); document.write( " a a/2 crtical regions
\n" ); document.write( "80% 0.2 10% z <-1.28155 z >+1.28155
\n" ); document.write( "90% 0.1 5% z <-1.645 z >+1.645
\n" ); document.write( "92% 0.8 4% z <-1.751 z >+1.751
\n" ); document.write( "95% 0.05 2.50% z <-1.96 z >+1.96
\n" ); document.write( "98% 0.02 1% z <-2.33 z >+2.33
\n" ); document.write( "99% 0.01 0.50% z<-2.576 z >+2.576
\n" ); document.write( " \n" ); document.write( "
\n" );