document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1068945>Question 1068945</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given a frequency distribution of 10,000 scores, which approximates the normal curve and has a mean of 120 and a standard deviation of 15, the top 80% had a what raw score or greater?<BR>\n" );
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document.write( "a)94.34<BR>\n" );
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document.write( "b)107.4<BR>\n" );
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document.write( "c)110<BR>\n" );
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document.write( "d)106\r<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 #684195 by </B><A HREF=/tutors/aboutme.mpl?userid=trsomas23@gmail.com><B>trsomas23@gmail.com(17)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=trsomas23@gmail.com><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=trsomas23@gmail.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=684195\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 80% = 0.8<BR>\n" );
document.write( "From standard normal table<BR>\n" );
document.write( "P(Z > -0.84) = 0.8<BR>\n" );
document.write( "Z = (x - mean)/sd<BR>\n" );
document.write( "x = Z * sd = mean<BR>\n" );
document.write( "When Z = -0.84, then <BR>\n" );
document.write( "x = -0.84 * 15 + 120<BR>\n" );
document.write( "= 107.4<BR>\n" );
document.write( "Answer: (b) 107.4<BR>\n" );
document.write( "Email: trsomas23@gmail.com<BR>\n" );
document.write( "Skype: sahay.avinash </SPAN>\n" );
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