document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=185958>Question 185958</A>: <I><SPAN STYLE=\"word-break: break-all;\"> use the empirical rule to estimate the area lying between values x=1100 and x=2600 under the normal curve that has mean 2100 and standard deviation 500. do not use calculator  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #139831 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=139831\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> use the empirical rule to estimate the area lying between values x=1100 and x=2600 under the normal curve that has mean 2100 and standard deviation 500. do not use calculator <BR>\n" );
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document.write( "z(1100) = (1100-2100)/500 = 2<BR>\n" );
document.write( "z(2600) = (2600-2100)/500 = 1<BR>\n" );
document.write( "--------------------------------<BR>\n" );
document.write( "The area from z=0 to z=2 is (1/2)95% = 47.5%<BR>\n" );
document.write( "The area from z=0 to z=1 is (1/2)68% = 34%<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "So, the area from z=1 to z=2 is 47.5%-34% = 13.5%<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );