document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1131519>Question 1131519</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a study of court administration the following times to disposition were found in 20 randomly <BR>\n" );
document.write( "    selected cases of a certain type.  Test the hypotheses that the average time to disposition is 80 days or <BR>\n" );
document.write( "    less; use the 1% significance level.  Assume disposition time, x, is normally distributed.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #749304 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=749304\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> To do this problem, one needs to know the mean and sd of the sample.  It would be a t-test with 19 degrees of freedom. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );