document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=227876>Question 227876</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need tons of help on this one too..\r<BR>\n" );
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document.write( "The spinner on a wheel of fortune can land with an equal chance on any one of ten regions. Three (3) regions are red, four(4) are blue, two (2)are yellow and one(1) is green. A player wins $4 if the spinner stops on red and $2 if it stops on green. The player loses $2 if it stops on blue and loses $3 if it stops on yellow. Find the expected value of this game.\r<BR>\n" );
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document.write( "thanks so much! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #169273 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=169273\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> this looks like it addresses your problem <a  rel=nofollow HREF= \"http://wilcoxen.maxwell.insightworks.com/pages/126.html\" target = \"_blank\">Expected Value</a>\r<BR>\n" );
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document.write( "In your problem, the probability and the payoffs are as follows:\r<BR>\n" );
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document.write( "p(red) = 3/10 = .3<BR>\n" );
document.write( "p(blue) = 4/10 = .4<BR>\n" );
document.write( "p(yellow) = 2/10 = .2<BR>\n" );
document.write( "p(green) = 1/10 = .1\r<BR>\n" );
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document.write( "Sum of all probabilities equals 1 which it should.\r<BR>\n" );
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document.write( "$4.00 payoff for red * .3 = $1.20<BR>\n" );
document.write( "$2.00 payoff for green * .1 = $.20\r<BR>\n" );
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document.write( "$2.00 payback for blue * .4 = -$.80<BR>\n" );
document.write( "$3.00 payback for yellow * .2 = -$.60\r<BR>\n" );
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document.write( "Expected Value would be the sum of these = 1.2 + .2 - .8 - .6 = 1.4 - 1.4 = 0\r<BR>\n" );
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document.write( "The spinner can expect to break even in the long run.\r<BR>\n" );
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