document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1119659>Question 1119659</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Scores on the GRE&#8203; (Graduate Record&#8203; Examination) are normally distributed with a mean of 552552 and a standard deviation of 149149.  Use the 68 dash 95 dash 99.768-95-99.7 Rule to find the percentage of people taking the test who score betweenbetween 254 and 850. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #735377 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=735377\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=(x-mean)/sd<BR>\n" );
document.write( "z=(254-552)/149<BR>\n" );
document.write( "z=-298/149=-2<BR>\n" );
document.write( "z=(850-552)/149 and z=+2<BR>\n" );
document.write( "Probability z is between -2 and +2 is 95% ANSWER </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );