document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=597928>Question 597928</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A laboratory tested 71 chicken eggs and found that the mean amount of cholesterol was 230 milligrams with &#963; = 10.4 milligrams. construct a 95% confidence interval for the true mean cholesterol content, u, 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 #378405 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=378405\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ( xbar - z*sigma/sqrt(n), xbar + z*sigma/sqrt(n) )\r<BR>\n" );
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document.write( "( 230 - 1.95996*10.4/sqrt(71), 230 + 1.95996*10.4/sqrt(71) ) ... Note: use a table or a calculator to find the value of z\r<BR>\n" );
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document.write( "(227.58091, 232.419086)\r<BR>\n" );
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document.write( "So the 95% confidence interval is (227.58091, 232.419086) </SPAN>\n" );
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