document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1123016>Question 1123016</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The mean value of land and buildings per acre from a sample of farms is &#8203;$1700<BR>\n" );
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document.write( "with a standard deviation of &#8203;$200<BR>\n" );
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document.write( "The data set has a&#8203; bell-shaped distribution. Assume the number of farms in the sample is 71<BR>\n" );
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document.write( "&#8203;(a) Use the empirical rule to estimate the number of farms whose land and building values per acre are between &#8203;$1500<BR>\n" );
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document.write( "and &#8203;$1900<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 #739227 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=739227\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is between -1 and +1 sd<BR>\n" );
document.write( "The empirical rule says that 68% of the distribution will be in this area, or 71*0.68, or 48 farms. </SPAN>\n" );
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