document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=769448>Question 769448</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The scores on a lab test are normally distributed with mean of 200. If the standard deviation is 20, find The score that is 2 standard deviations below the mean  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #468889 by </B><A HREF=/tutors/aboutme.mpl?userid=John10><B>John10(297)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=John10><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=John10><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=468889\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi,\r<BR>\n" );
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document.write( "you know the mean = 200, standard deviation = 20,\r<BR>\n" );
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document.write( "you can use the formula z = mean - (2 standard deviation)(standard deviation)<BR>\n" );
document.write( "                          = 200 - 2(20)<BR>\n" );
document.write( "                          = 200 - 40 = 160\r<BR>\n" );
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document.write( "John(john100185@yahoo.com) </SPAN>\n" );
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