document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=465433>Question 465433</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A psychologist wants to interview subjects with IQ scores in the top 1%. IQ scores are normally distributed with mean of 100 and a standard deviation of 15. Find the score that separating the top 1% of IQ from the bottom 99%. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #318948 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=318948\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  A psychologist wants to interview subjects with IQ scores in the top 1%. IQ scores are normally distributed with mean of 100 and a standard deviation of 15. Find the score that separating the top 1% of IQ from the bottom 99%.<BR>\n" );
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document.write( "Find the z-value with a left-tail of 0.99.<BR>\n" );
document.write( "invNorm(0.99) = 2.3263<BR>\n" );
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document.write( "score = 2.3263*15 + 100 = 135 when rounded up<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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