document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=597923>Question 597923</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the given degree of confidence and sample data to construct a confidence interval for the population mean u. Assume that the population has a normal distribution n=12, x=21.3, s=6.3, 99% </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #378395 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=378395\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the given degree of confidence and sample data to construct a confidence interval for the population mean u. Assume that the population has a normal distribution n=12, x=21.3, s=6.3, 99%<BR>\n" );
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document.write( "Sample mean = x-bar = 21.3<BR>\n" );
document.write( "ME = z*s/sqrt(n) = 2.5758*6.3/sqrt(12) = 4.6845<BR>\n" );
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document.write( "99% CI: 21.3-4.68 < u < 21.3+4.68<BR>\n" );
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document.write( "(16.62,25.98)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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