document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1158484>Question 1158484</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A sample of 68 college students yields a mean annual income of $3248 and a standard deviation of $885. Find the margin of error in estimating μ at the 99% level of confidence? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #781767 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=781767\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> margin of error is t(0.995 df=67)*s/sqrt(n)<BR>\n" );
document.write( "t=2.65<BR>\n" );
document.write( "the margin of error is 2.65*885/sqrt(68)=$284.40 </SPAN>\n" );
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