document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1184331>Question 1184331</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Consider the discrete random variable  <BR>\n" );
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document.write( "  given in the table below. Calculate the mean, variance, and standard deviation of  <BR>\n" );
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document.write( "X 	6	8	12	14	18\r<BR>\n" );
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document.write( "P(X)  	0.09	0.11	0.09	0.08	0.63\r<BR>\n" );
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document.write( "μ  = \r<BR>\n" );
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document.write( "σ2<BR>\n" );
document.write( "  = \r<BR>\n" );
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document.write( "σ = <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 #814984 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=814984\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> X  = 6 8 12 14 18<BR>\n" );
document.write( "P(X)  = 0.09 0.11 0.09 0.08 0.63\r<BR>\n" );
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document.write( "===> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=E%28X%29+=+mu+=+sum%28x%2Ap%28x%29%29=6%2A0.09%2B8%2A0.11%2B12%2A0.09%2B14%2A0.08%2B18%2A0.63+=+374%2F25+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "===>  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sigma%5E2+=+E%28X%5E2%29+-+mu%5E2+=+6%5E2%2A0.09%2B8%5E2%2A0.11%2B12%5E2%2A0.09%2B14%5E2%2A0.08%2B18%5E2%2A0.63+=+6076%2F25+-+%28374%2F25%29%5E2+=+12024%2F625+=+19.2384 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "===> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sigma+=+%286%2Asqrt%28334%29%29%2F25+=+4.3862 ALIGN=MIDDLE  ALT=\"sigma+=+%286%2Asqrt%28334%29%29%2F25+=+4.3862\"   DISABLED_style= \"max-width:90%; height:auto;\" >, to 4 d.p.\r<BR>\n" );
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