document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=824846>Question 824846</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A research company desires to know the mean consumption of milk per week among people over age 28. Assume a population standard deviation of 0.9.\r<BR>\n" );
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document.write( "How large of a sample would be required in order to estimate the mean weekly consumption of people over age 28 at the 99% confidence level with an error of at most 0.05 liters?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #496863 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=496863\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A research company desires to know the mean consumption of milk per week among people over age 28. Assume a population standard deviation of 0.9. <BR>\n" );
document.write( "How large of a sample would be required in order to estimate the mean weekly consumption of people over age 28 at the 99% confidence level with an error of at most 0.05 liters? <BR>\n" );
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document.write( "n = [z*s/E)^2<BR>\n" );
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document.write( "n = [2.5758*0.9/0.05]^2 = 2150 when rounded up<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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