document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=430388>Question 430388</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a set of normally distributed test scores have a mean equal to 70 and a standard deviation of 10, what percentage of these scores will be between:\r<BR>\n" );
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document.write( "60 and 80  ?	\r<BR>\n" );
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document.write( "50 and 90  ?	\r<BR>\n" );
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document.write( "40 and 100 ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #298907 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=298907\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Using the Empirical Rule, 68% would be between 60 and 80(within 1 sd of the mean),<BR>\n" );
document.write( "95% would be between 50 and 90 (within 2 sd's of the mean), and 99.7% would be between 40 and 100 (within 3 sd's of the mean.) </SPAN>\n" );
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