document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1182781>Question 1182781</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The Energy Information Administration records the price of electricity in the United States each month. In July 2013, the average price of electricity was  12.56 cents per kilowatt-hour. Suppose that the standard deviation is 1.30 cents per kilowatt-hour. What can you determine about these data by using Chebyshev's Inequality with K=2? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #812898 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=812898\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> That no more than 1/4 of the values can be more than 2 sd from the mean.<BR>\n" );
document.write( "Therefore, at least 3/4 of the values, and possibly more are within 12.56+/- 2(1.30) cents/kwh.\r<BR>\n" );
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document.write( "One can also say that a maximum of 1/4 of the values are more than 2 sd from the mean. </SPAN>\n" );
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