document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1003861>Question 1003861</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the given data to find the minimum sample size required to estimate a population proportion or percentage.<BR>\n" );
document.write( "Margin of&#8203; error: nine percentage points&#8203;; confidence level 90&#8203;%; from a prior&#8203; study, p is estimated by the decimal equivalent of 48&#8203;% </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #620481 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=620481\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the given data to find the minimum sample size required to estimate a population proportion or percentage.<BR>\n" );
document.write( "Margin of&#8203; error: nine percentage points&#8203;; confidence level 90&#8203;%; from a prior&#8203; study, p is estimated by the decimal equivalent of 48&#8203;% <BR>\n" );
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document.write( "n = [z/E]^2*p*q<BR>\n" );
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document.write( "n = [1.645/0.09]^2*0.48*0.52 = 83 when rounded down<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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