document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1162664>Question 1162664</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. The mean value of land and buildings per acre from a sample of farms is $1600 , with a standard deviation of $200.  The data set has a bell shaped distribution.  Use the empirical rule and  estimate  the percent of farms whose land and building values per acre are  between $1000 and $2200\r<BR>\n" );
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document.write( "2.The mean value of land and buildings per acre from a sample of farms is $1600 , with a standard deviation of $200.  The data set has a bell shaped distribution.  Use the empirical rule and  estimate  the percent of farms whose land and building values per acre are  between $1000 and $2200\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 #786745 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=786745\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=(x-mean)/sd<BR>\n" );
document.write( "so between 1000 (-3 sd) and 2200 (+3 sd), there would be 99.7% chance by the empirical rule.\r<BR>\n" );
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