document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=318887>Question 318887</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A box contains 4 coins: a penny, a nickel, a dime, and a quarter.  It costs a dime to reach in and take a coin.  What is the expected value of this game?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #228274 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=228274\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A box contains 4 coins: a penny, a nickel, a dime, and a quarter. It costs a dime to reach in and take a coin. What is the expected value of this game? <BR>\n" );
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document.write( "Random Number Values: -9....-5....0....15....-10<BR>\n" );
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document.write( "Corresponding Proba:: 1/4....1/4...1/4..1/4...0<BR>\n" );
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document.write( "E(X) = (1/4)(-9-5+0+15) = (1/4)(1) = 0.25 cents<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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