document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1084574>Question 1084574</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The random variable X has an equal probability of being any integer from 2 to 18, inclusively.\r<BR>\n" );
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document.write( "a. What is the mean of the random variable, X?<BR>\n" );
document.write( "b. What is the variance of the random variable, X? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #698732 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=698732\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are 17 values so the mean would be the middle value. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=mu=10 ALIGN=MIDDLE  ALT=\"mu=10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You could also find the sum, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=mu=sum%28x%2AP%28x%29%29=sum%28x%29%2A%281%2F17%29=%2817%2F2%29%282%2B18%29%281%2F17%29=20%2F2=10 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Var%28X%29=24 ALIGN=MIDDLE  ALT=\"Var%28X%29=24\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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