document.write( "Question 1197311: 1. In a game,using a fair die, a player bet #5 on a given number shows up, otherwise the #5 bet is won. What is the expected value of the game.
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document.write( "2. 5000 ticket is sold at #5 each for a raffle, ticket are to be drawn at random and price of #1000 each, 5 price of #200 each 20 price of #50 each. A man buy one of the raffle ticket. (a) what is the expected value for the man.
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document.write( "(b) calculate the probability that he win a price. \n" );
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Algebra.Com's Answer #848400 by ElectricPavlov(122)![]() ![]() ![]() You can put this solution on YOUR website! **1. Expected Value of the Die Game**\r \n" ); document.write( "\n" ); document.write( "* **Probability of Winning:** 1/6 (since there's one desired number on a 6-sided die) \n" ); document.write( "* **Probability of Losing:** 5/6 \n" ); document.write( "* **Payoff for Winning:** $0 (bet is lost) \n" ); document.write( "* **Payoff for Losing:** -$5 (bet amount)\r \n" ); document.write( "\n" ); document.write( "* **Expected Value:** (Probability of Winning * Payoff for Winning) + (Probability of Losing * Payoff for Losing) \n" ); document.write( " = (1/6) * $0 + (5/6) * (-$5) \n" ); document.write( " = -$4.17\r \n" ); document.write( "\n" ); document.write( "**Therefore, the expected value of the die game is -$4.17.** This means, on average, you're expected to lose $4.17 per game.\r \n" ); document.write( "\n" ); document.write( "**2. Raffle Ticket Analysis**\r \n" ); document.write( "\n" ); document.write( "* **Total Tickets Sold:** 5000 \n" ); document.write( "* **Prizes:** \n" ); document.write( " * 1 prize of $1000 \n" ); document.write( " * 5 prizes of $200 \n" ); document.write( " * 20 prizes of $50\r \n" ); document.write( "\n" ); document.write( "* **Total Prizes:** 1 + 5 + 20 = 26\r \n" ); document.write( "\n" ); document.write( "* **(a) Probability of Winning a Prize:** \n" ); document.write( " * Number of Winning Tickets / Total Tickets \n" ); document.write( " * = 26 / 5000 \n" ); document.write( " * = 0.0052 \n" ); document.write( " * = 0.52%\r \n" ); document.write( "\n" ); document.write( "* **(b) Expected Value for the Man:**\r \n" ); document.write( "\n" ); document.write( " * **Total Prize Money:** \n" ); document.write( " * ($1000 * 1) + ($200 * 5) + ($50 * 20) = $1000 + $1000 + $1000 = $3000\r \n" ); document.write( "\n" ); document.write( " * **Expected Winnings:** \n" ); document.write( " * (Total Prize Money / Total Tickets) - Cost of Ticket \n" ); document.write( " * = ($3000 / 5000) - $5 \n" ); document.write( " * = $0.60 - $5 \n" ); document.write( " * = -$4.40\r \n" ); document.write( "\n" ); document.write( "**Therefore, the expected value for the man is -$4.40.** This means, on average, he can expect to lose $4.40 per raffle ticket. \n" ); document.write( " \n" ); document.write( " |