document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=675571>Question 675571</A>: <I><SPAN STYLE=\"word-break: break-all;\"> PLEASE HELP!!!!\r<BR>\n" );
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document.write( "Suppose a charitable organization decides to raise money by raffling a trip worth $500. If 3000 tickets are sold at $1 each, find the expected net winnings in dollars for a person who buys 1 ticket. </SPAN>\n" );
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document.write( "If he wins, the change in his financial holdings is $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=500-1=+499 ALIGN=MIDDLE  ALT=\"500-1=+499\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "If he loses, the change in his financial holdings is $<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1 ALIGN=MIDDLE  ALT=\"-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "The probability he will win is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3000 ALIGN=MIDDLE  ALT=\"1%2F3000\"   DISABLED_style= \"max-width:90%; height:auto;\" > (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=one ALIGN=MIDDLE  ALT=\"one\"   DISABLED_style= \"max-width:90%; height:auto;\" > ticket out of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3000 ALIGN=MIDDLE  ALT=\"3000\"   DISABLED_style= \"max-width:90%; height:auto;\" >)\r<BR>\n" );
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document.write( "and the probability he will lose is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2999%2F1000 ALIGN=MIDDLE  ALT=\"2999%2F1000\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Therefore, his expected net winnings are:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=E+=+499%281%2F3000%29+%2B+%28-1%29%282999%2F3000%29 ALIGN=MIDDLE  ALT=\"E+=+499%281%2F3000%29+%2B+%28-1%29%282999%2F3000%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >..........(winning $1 bet).\r<BR>\n" );
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document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28499%2F3000%29%2B%28-2999%2F3000%29 ALIGN=MIDDLE  ALT=\"%28499%2F3000%29%2B%28-2999%2F3000%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-2500%2F3000 ALIGN=MIDDLE  ALT=\"-2500%2F3000\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-0.83 ALIGN=MIDDLE  ALT=\"-0.83\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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