document.write( "Question 1172444: A lottery offers two 500$ prizes, five 300$ prizes, and ten 100$ prizes. One thousand tickets are sold at 2$ each. Find the expected value if a person buys one ticket. \n" ); document.write( "
Algebra.Com's Answer #797478 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "The expected win is this amount\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    \"500%2A%282%2F1000%29+%2B+300%2A%285%2F1000%29+%2B+100%2A%2810%2F1000%29\" dollars = $3.50.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The expected value is this amount\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "          $3.50 - $2.00 = $1.50.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Statistically, a player has $1.50 in his (or her) pocket in average after each game, if he (or she) plays many times.\r\n" );
document.write( "
\r
\n" ); document.write( "\n" ); document.write( "Solved, answered and explained.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );