document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1155573>Question 1155573</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The scores on a psychology exam were normally distributed with a mean of 51 and a standard deviation of 6. About what percentage of scores were less than 33 ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #778265 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=778265\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=(x-mean)/sd<BR>\n" );
document.write( "=(33-51)/6<BR>\n" );
document.write( "=-3<BR>\n" );
document.write( "probability of z < -3 is about 0.0015 or about 0.15%. </SPAN>\n" );
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