document.write( "Question 1142974: The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $8 each and will sell 900 tickets. There is one $3,000 grand prize, two $400 second prizes, and ten $40 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent. \n" ); document.write( "
Algebra.Com's Answer #763728 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The total cost of the tickets is 900($8) = $7200. \n" ); document.write( "The total value of the prizes is $3000 + 2($400) + 10($40) = $4200. \n" ); document.write( "The expected value of a ticket is the average profit of a ticket; that is \n" ); document.write( " \n" ); document.write( "The expected value of a ticket, to the nearest cent, is -$3.33. \n" ); document.write( " |