document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=745598>Question 745598</A>: <I><SPAN STYLE=\"word-break: break-all;\"> you draw a card from an ordinary deck. if you draw an ace,you win $5.you win $3 for a face card and 10 for a seven of spades.if you pick anything else, you lose $2. on average,how much money can the operator expect ton make per custome? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #453919 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=453919\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you draw a card from an ordinary deck. if you draw an ace,you win $5.you win $3 for a face card and 10 for a seven of spades.if you pick anything else, you lose $2. on average,how much money can the operator expect to make per custome?<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "Operator \"win\" values:.........-5....-3.......-10.....+2<BR>\n" );
document.write( "Corresponding probabilities....4/52..12/52....1/52...35/52\r<BR>\n" );
document.write( "\n" );
document.write( "-----<BR>\n" );
document.write( "Expected(\"win\") = [-20 -36 -10 + 70]/52 = 4/52 = 1/13 of a dollar<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Expected \"win\" for the operator = 7.7 cents each time the game is played.<BR>\n" );
document.write( "==================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==================\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );