document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1119474>Question 1119474</A>: <I><SPAN STYLE=\"word-break: break-all;\"> assume that the random variable X is normally distributed, with mean m = 50 and standard deviation s = 7. Find each indicated percentile for X. <BR>\n" );
document.write( "The 90th percentile? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #735048 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=735048\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> assume that the random variable X is normally distributed, with mean m = 50 and standard deviation s = 7. Find each indicated percentile for X. <BR>\n" );
document.write( "The 90th percentile? <BR>\n" );
document.write( "------<BR>\n" );
document.write( "Find the z-value with a left-tail of 0.9<BR>\n" );
document.write( "invNorm(0.9) = 1.2816<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Find the corresponding raw score::<BR>\n" );
document.write( "x = 1.2816*7 + 50<BR>\n" );
document.write( "x = 58.97<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "------------ </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );