document.write( "Question 885634: Please I need help with this question, and I would like to know how to do it with a TI-83 plus. Thanks!\r
\n" ); document.write( "\n" ); document.write( "In a game you have a 1/44 probability of winning $130 and a 43/44 probability of losing $9. What is your expected value? Rounded to the nearest dollar. \n" ); document.write( "
Algebra.Com's Answer #535309 by Edwin McCravy(20063)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "You multiply each probability times the winning or loss,\r\n" );
document.write( "and add them all up.  Use a positive number for a win and \r\n" );
document.write( "a negative number for a loss.  On a TI-83:\r\n" );
document.write( "\r\n" );
document.write( "1÷44×130+43÷44×-9 ENTER\r\n" );
document.write( "\r\n" );
document.write( "Be sure to use the negative key (-), not the minus — key, for -9 \r\n" );
document.write( "\r\n" );
document.write( "Get -5.840909091 which means -$5.84 which means you'll\r\n" );
document.write( "average losing $5.84 per game if you play it many times.\r\n" );
document.write( "\r\n" );
document.write( "But since you are told to round to the nearest dollar,\r\n" );
document.write( "it will be -$6.\r\n" );
document.write( "\r\n" );
document.write( "Edwin

\n" ); document.write( " \n" ); document.write( "
\n" );