document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1190698>Question 1190698</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.61 and a standard deviation of 0.43.  Using the empirical rule, what percentage of the students have grade point averages that are at least 3.47 ?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #822927 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=822927\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=(x-mean)/sd<BR>\n" );
document.write( "z=0.86/0.43=2<BR>\n" );
document.write( "3.47 is 2 sd above the mean<BR>\n" );
document.write( "more than 2 sd deviation from the mean, either direction, is 5%, so that in one direction it is 2.5%, the answer. </SPAN>\n" );
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