document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=320238>Question 320238</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A popular manufacturer of men's jeans would like to estimate the population mean of 32\" length jeans. The population standard deviation is known to be 0.65\". Determine the sample size needed to hold the maximum error of the estimate to 0.5 with a confidence of 98%. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #229360 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=229360\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A popular manufacturer of men's jeans would like to estimate the population mean of 32\" length jeans. <BR>\n" );
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document.write( "The population standard deviation is known to be 0.65\". <BR>\n" );
document.write( "Determine the sample size needed to hold the maximum <BR>\n" );
document.write( "error of the estimate to 0.5 with a confidence of 98%.\r<BR>\n" );
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document.write( "n = [z*s/E]^2<BR>\n" );
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document.write( "n = [2.3263*0.65/0.5]^2 = 9.14<BR>\n" );
document.write( "Round up to n = 10<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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