document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=18442>Question 18442</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Thank you for this great opportunity. My excersice is as follows:<BR>\n" );
document.write( "Applications of the Standard Normal Distribution<BR>\n" );
document.write( "You are given that a score of 87 on an exam is at 94th percentile and that grades are normally distributed.<BR>\n" );
document.write( "a) What z score does this represent? I got .94 = 1.555<BR>\n" );
document.write( "b) \"This is where i have a problem, Given the formula x = SD*Z + mean,\" If the mean score on the exam is 82, what is the standard deviation?.\r<BR>\n" );
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document.write( "Thank you very much for your help (Due date Saturday November 5th/2005)<BR>\n" );
document.write( "Regards<BR>\n" );
document.write( "Edwin<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #8832 by </B><A HREF=/tutors/aboutme.mpl?userid=khwang><B>khwang(438)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=khwang><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=8832\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">   I wonder why you got stuck.\r<BR>\n" );
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document.write( " when p = 0.94 . z = 1.555 (correct)<BR>\n" );
document.write( "b) \"This is where i have a problem, Given the formula x = SD*Z + mean<BR>\n" );
document.write( " i.e. (x - mean)/ sd =  z (regular form)<BR>\n" );
document.write( " Now, x =  87, z = 1.555, mean =  82.\r<BR>\n" );
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document.write( " You can get the value of SD with baby algebra.\r<BR>\n" );
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document.write( " Kenny  </SPAN>\n" );
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