document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1001734>Question 1001734</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the margin of error and confidence interval.<BR>\n" );
document.write( "95% confidence, n=100, xbar=9500, standard deviation = 12,345 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #618855 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=618855\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The SE is s/sqrt(n)=1234.5<BR>\n" );
document.write( "n=100 is large enough to use the z-distribution, and z(0.95)-1.96<BR>\n" );
document.write( "1.96*SE=2419.62,  That is the half-width of the CI and the margin of error when said +/-.<BR>\n" );
document.write( "(9500-2419.6, 9500+2419.6)<BR>\n" );
document.write( "(7080.4, 11919.6) </SPAN>\n" );
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