document.write( "Question 1002916: You are playing a game where you are rolling a fair 6-sided number cube. It costs $1.00 for every roll. If you roll an even number, you win $2.00. If you roll an odd number, you win nothing. Which of the following is the expected value of this game?\r
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document.write( "A) expected value = -$.50
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document.write( "B) expected value = $.50
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document.write( "C) expected value = $1.00
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document.write( "D) expected value = -$1.00 \n" );
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Algebra.Com's Answer #619767 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! You are playing a game where you are rolling a fair 6-sided number cube. It costs $1.00 for every roll. If you roll an even number, you win $2.00. If you roll an odd number, you win nothing. Which of the following is the expected value of this game? \n" ); document.write( "----- \n" ); document.write( "Random \"winning\" values :: +1.....-1 \n" ); document.write( "Corresponding Probabilities: (1/2)......(1/2) \n" ); document.write( "------- \n" ); document.write( "E(x) = (1/2)1 + (1/2)*-1 = 0 \n" ); document.write( "----- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------\r \n" ); document.write( "\n" ); document.write( "A) expected value = -$.50 \n" ); document.write( "B) expected value = $.50 \n" ); document.write( "C) expected value = $1.00 \n" ); document.write( "D) expected value = -$1.00 \n" ); document.write( " |