document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1162461>Question 1162461</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A food snack manufacture samples 15 bags of pretzels off the assembly line and weighed their contents if the sample mean is 10.2 And the sample standard deviation is 0.25 what is the 95% confidence interval of the true mean </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #786375 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=786375\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> half-interval is t0.975 df=14 *s/sqrt(n)<BR>\n" );
document.write( "t is 2.145<BR>\n" );
document.write( "half-interval is 2.145*0.25/sqrt(15)=0.138  or 0.14<BR>\n" );
document.write( "the 95% CI is then (10.06, 10.34) weight units </SPAN>\n" );
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