document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=867291>Question 867291</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The mean IQ score of adults is 100 with a standard deviation of 15. Use the Empirical Rule to find the percentage of adults with scores between 70 and 130. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #522903 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=522903\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The mean IQ score of adults is 100 with a standard deviation of 15. Use the Empirical Rule to find the percentage of adults with scores between 70 and 130.<BR>\n" );
document.write( "------<BR>\n" );
document.write( "70 is 2 std below the mean<BR>\n" );
document.write( "130 is 2 std above the mean<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Using Chybeshev you get::<BR>\n" );
document.write( "At least (1-(1/2)^2)% = (1-0.25)% = 75% of the data is between 70 and 130.<BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----------------------------- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );