document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1120185>Question 1120185</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 26<BR>\n" );
document.write( "In an urn I have 20 marbles: 2 red, 3 yellow, 4 blue, 5 green, and 6 black marbles. The selection of one marble is random. The winning table is below. What is the expected value of winnings?<BR>\n" );
document.write( "Color 	Red 	Yellow 	Blue 	Green 	Black <BR>\n" );
document.write( " Amount won	$10 	$5 	$2 	$1 	$0 <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 #735861 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=735861\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Expected value is the sum the products for each color of the probability of getting that color and the payout for that color.<br><BR>\n" );
document.write( "(2/20)*$10 + (3/20)*$5 + (4/20)*$2 + (5/20)*$1 + (6/20)*$0 = (20+15+8+5+0)/20 = 48/20 = $2.40. </SPAN>\n" );
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