document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=980618>Question 980618</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the given data to find the minimum sample size required to estimate the population proportion.<BR>\n" );
document.write( " Margin of error: 0.04; confidence level: 95%; from a prior study, p is estimated by the decimal<BR>\n" );
document.write( "equivalent of 60%. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #601737 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=601737\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> p = 0.6<BR>\n" );
document.write( "z = 1.96 (use a <a  rel=nofollow HREF=\"http://www.sjsu.edu/faculty/gerstman/StatPrimer/t-table.pdf\">table</a> or calculator)<BR>\n" );
document.write( "E = 0.04\r<BR>\n" );
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document.write( "n = p(1-p)(z/E)^2\r<BR>\n" );
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document.write( "n = 0.6(1-0.6)(1.96/0.04)^2\r<BR>\n" );
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document.write( "n = 576.24\r<BR>\n" );
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document.write( "n = 577 ... Round up to the nearest whole number\r<BR>\n" );
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document.write( "The min sample size required is 577 </SPAN>\n" );
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