My Math Forum Betting game sum of two dice

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 March 24th, 2018, 04:39 PM #1 Newbie   Joined: Mar 2018 From: Toronto Posts: 2 Thanks: 0 Betting game sum of two dice How to design betting game using sum of two dice where the expected value of a single play is $0.18 in favor of the player? i was thinking: if you roll the sum divisible by 3, you will get$2.54,otherwise,you loose $1? March 24th, 2018, 08:23 PM #2 Senior Member Joined: May 2016 From: USA Posts: 1,310 Thanks: 550 Quote:  Originally Posted by simonida How to design betting game using sum of two dice where the expected value of a single play is 0.18 dollar in favor of the player? i was thinking: if you roll the sum divisible by 3, you will get 2.54 dollars otherwise,you lose 1 dollar. Made your question legible (dollar signs invoke the LaTeX editor.$\dfrac{2}{6} * 2.54 + \dfrac{4}{6} * (-\ 1) = \dfrac{5.08 - 4}{6} = \dfrac{1.08}{6} = 0.18.$Your answer looks good to me. March 24th, 2018, 09:00 PM #3 Senior Member Joined: Feb 2016 From: Australia Posts: 1,770 Thanks: 627 Math Focus: Yet to find out. Quote:  Originally Posted by simonida How to design betting game using sum of two dice where the expected value of a single play is \$0.18 in favor of the player? i was thinking: if you roll the sum divisible by 3, you will get \$2.54, otherwise, you loose \$1?
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 March 25th, 2018, 03:39 AM #4 Newbie   Joined: Mar 2018 From: Toronto Posts: 2 Thanks: 0 Thanks!

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