document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1026086>Question 1026086</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are estimates of the margin of error for confidence levels other than 95%. For a 90% confidence level and a sample size of n, the margin of error is approximately <BR>\n" );
document.write( "82/ sq root of n %<BR>\n" );
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document.write( "Suppose we wish to have a margin of error of 2% with a 90% confidence level. Approximately how many people should we interview? <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #641338 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=641338\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose we wish to have a margin of error of 2% with a 90% confidence level. Approximately how many people should we interview? <BR>\n" );
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document.write( "n = [1.645/0.02]^2*(1/2)^2 = 1691 when rounded up<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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