document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1159214>Question 1159214</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The distribution of scores on a standardized aptitude test is approximately normal with a mean of 520 and a standard deviation of 100 . What is the minimum score needed to be in the top 15% on this test?<BR>\n" );
document.write( " Carry your intermediate computations to at least four decimal places, and round your answer to the nearest integer. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #782220 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=782220\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> inv norm for .85 or 85th percentile is z=1.036\r<BR>\n" );
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document.write( "z=(x-mean)/sd<BR>\n" );
document.write( "1.036=(x-520)/100<BR>\n" );
document.write( "103.6=x-520<BR>\n" );
document.write( "x=623.6433 rounding to 624.<BR>\n" );
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