document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=310096>Question 310096</A>: <I><SPAN STYLE=\"word-break: break-all;\"> construct the indicated confidence interval for the population mean mu using a t distriution, s=10,  c= .80, x bar =114, n=9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #221842 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=221842\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> construct the indicated confidence interval for the population mean mu using a t distribution, s=10, c= .80, x bar =114, n=9<BR>\n" );
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document.write( "x-bar = 114<BR>\n" );
document.write( "E = (invT(0.0.9 with df=8)*10/sqrt(9)<BR>\n" );
document.write( "= 1.3968*(10/3)<BR>\n" );
document.write( "= 4.6561<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "80% CI: 114-6.6561 < u < 114+6.6561<BR>\n" );
document.write( "=======================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================ </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );