document.write( "Question 932605: Of 116 randomly selected adults, 34 were found to have high blood pressure. Find a 98% confidence interval for the percentage of adults that have high blood pressure. \n" ); document.write( "
Algebra.Com's Answer #566242 by ewatrrr(24785)\"\" \"About 
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p(HBP) = 34/116 = .2931
\n" ); document.write( "ME = 2.326sqrt((.2931)(.7069)/116) = .0423
\n" ); document.write( "CI: = .2931 ± .0447
\n" ); document.write( "(25.08%, 33.54%)
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\n" ); document.write( " CI z = value
\n" ); document.write( "90% z =1.645
\n" ); document.write( "92% z = 1.751
\n" ); document.write( "95% z = 1.96
\n" ); document.write( "98% z = 2.326
\n" ); document.write( "99% z = 2.576
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