document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1142072>Question 1142072</A>: <I><SPAN STYLE=\"word-break: break-all;\"> When Jackson runs the 400 meter dash his finishing times are normally distributed with a mean of 69 seconds and a standard deviation of 1 second. Using the empirical rule, what percentage of races will his finishing time be between 68 and 70 seconds? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #762736 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=762736\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 68 is 1 sd below the mean<BR>\n" );
document.write( "70 is 1 sd above the mean<BR>\n" );
document.write( "68% of all races will have times between those numbers. </SPAN>\n" );
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