document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=402641>Question 402641</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the mean and standard deviation of the following probability distribution:<BR>\n" );
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document.write( "x          1           2          3\r<BR>\n" );
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document.write( "P(x)       0.1        0.1         0.8\r<BR>\n" );
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document.write( "Please show all of your work. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #284777 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=284777\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=mu+=+0.1+%2B+0.2+%2B+2.4+=+2.7 ALIGN=MIDDLE  ALT=\"mu+=+0.1+%2B+0.2+%2B+2.4+=+2.7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sigma%5E2+=+E%28X%5E2%29+-+mu%5E2+=+0.1+%2B+0.4+%2B+7.2+-+2.7%5E2+=+0.41 ALIGN=MIDDLE  ALT=\"sigma%5E2+=+E%28X%5E2%29+-+mu%5E2+=+0.1+%2B+0.4+%2B+7.2+-+2.7%5E2+=+0.41\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sigma+=+sqrt%280.41%29+=+0.64 ALIGN=MIDDLE  ALT=\"sigma+=+sqrt%280.41%29+=+0.64\"   DISABLED_style= \"max-width:90%; height:auto;\" >, to 2 decimal places. </SPAN>\n" );
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