document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=787524>Question 787524</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I solve the following problem based on the formula, Z = (x-m)/sd\r<BR>\n" );
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document.write( "The graduate selection committee wants to select the top 10% of applicants. On a standardized test with a mean of 500 and a standard deviation of 100, what would be the cutoff score for selecting the top 10% of applicants, assuming that the standardized test is normally distributed?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #478221 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=478221\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The graduate selection committee wants to select the top 10% of applicants. On a standardized test with a mean of 500 and a standard deviation of 100, what would be the cutoff score for selecting the top 10% of applicants, assuming that the standardized test is normally distributed? <BR>\n" );
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document.write( "Find the z-score with a 90% left-tail.<BR>\n" );
document.write( "invNorm(0.9) = 1.2816<BR>\n" );
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document.write( "Find the corresponding score value<BR>\n" );
document.write( "You want the score 1.2816 standard deviations above the mean.<BR>\n" );
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document.write( "x = 1.2816*100 + 500<BR>\n" );
document.write( "x = 128.16 + 500<BR>\n" );
document.write( "x = 628.16<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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