document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1105710>Question 1105710</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many young adults should be interviewed to estimate the proportion of the young adult population who earn less than $15000 to within .03 with 90 perfent confindence?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #720847 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=720847\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  how many young adults should be interviewed to estimate the proportion of the young adult population who earn less than $15000 to within .03 with 90 percent confindence? <BR>\n" );
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document.write( "n = [z*s/E]^2<BR>\n" );
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document.write( "n = [1.645*s/0.03]^2<BR>\n" );
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document.write( "Note:: You need the standard deviation to determine \"n\".<BR>\n" );
document.write( "Note:: n must be rounded up to the next whole number<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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