document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=316141>Question 316141</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A laboratory tested 70 chicken eggs and found that the mean amount of cholesterol was 228 milligrams with s = 12 milligrams. Construct a 95 percent confidence interval for the true mean cholesterol content, &#956;, of all such eggs.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #226136 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=226136\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A laboratory tested 70 chicken eggs and found that the mean amount of cholesterol was 228 milligrams with s = 12 milligrams. Construct a 95 percent confidence interval for the true mean cholesterol content, &#956;, of all such eggs. <BR>\n" );
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document.write( "sample mean = 228<BR>\n" );
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document.write( "Max Error = E = (invT(0.975 with df = 69) <BR>\n" );
document.write( "=  1.9949*1.4343<BR>\n" );
document.write( "= 2.86<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "95% CI: 228-2.86 < u < 228+2.86<BR>\n" );
document.write( "===================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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