document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=363870>Question 363870</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A 95% confidence interval estimate for a population mean was computed to be (28.7, 40.9). Determine the mean of the sample, which was used to determine the interval estimate (show all work). <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #259521 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=259521\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A 95% confidence interval estimate for a population mean was computed to be (28.7, 40.9). Determine the mean of the sample, which was used to determine the interval estimate (show all work). \r<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "x-bar + E = 40.9<BR>\n" );
document.write( "x-bar - E = 28.7<BR>\n" );
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document.write( "Add to get:<BR>\n" );
document.write( "2(x-bar) = 69.6<BR>\n" );
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document.write( "x-bar = 34.8<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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