document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=142256>Question 142256</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help with this problem.\r<BR>\n" );
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document.write( "You are given 12 to 1 odd against hitting a solid 17 on Roulette number. This means that you win $12 if you succeed and you lose $1 if you fail. Calculate the expected value for one roll. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #103564 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=103564\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are given 12 to 1 odd against hitting a solid 17 on Roulette number. This means that you win $12 if you succeed and you lose $1 if you fail. Calculate the expected value for one roll.<BR>\n" );
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document.write( "An American roulette wheel has 38 slots.<BR>\n" );
document.write( "P(solid 17) = 1/38 ; P(not solid 17) = 37/38)<BR>\n" );
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document.write( "Random Variable values for gain: 12 and -1<BR>\n" );
document.write( "Expected value for each roll is 12*(1/38) + (-1)(37/38) = -25/38<BR>\n" );
document.write( "= -65.79 cents<BR>\n" );
document.write( "==================== <BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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