document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=782231>Question 782231</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Give the mean of the following probability distribution?    <BR>\n" );
document.write( "1 0.20 <BR>\n" );
document.write( "2 0.10 <BR>\n" );
document.write( "3 0.35 <BR>\n" );
document.write( "4 0.05 <BR>\n" );
document.write( "5 0.30  \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 #476344 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=476344\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Mean or Expected Value:\r<BR>\n" );
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document.write( "E[X] = Sum( P(X = xi) * xi )\r<BR>\n" );
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document.write( "E[X] = [P(X = x1)*(x1)] + [P(X = x2)*(x2)] + [P(X = x3)*(x3)] + [P(X = x4)*(x4)] + [P(X = x5)*(x5)]\r<BR>\n" );
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document.write( "E[X] = [P(X = 1)*(1)] + [P(X = 2)*(2)] + [P(X = 3)*(3)] + [P(X = 4)*(4)] + [P(X = 5)*(5)]\r<BR>\n" );
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document.write( "E[X] = [0.20*(1)] + [0.10*(2)] + [0.35*(3)] + [0.05*(4)] + [0.30*(5)]\r<BR>\n" );
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document.write( "E[X] = 0.20*(1) + 0.10*(2) + 0.35*(3) + 0.05*(4) + 0.30*(5)\r<BR>\n" );
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document.write( "E[X] = 0.2 + 0.2 + 1.05 + 0.2 + 1.5\r<BR>\n" );
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document.write( "E[X] = 3.15\r<BR>\n" );
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document.write( "Final Answer: <font color=\"red\">3.15</font> </SPAN>\n" );
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