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 07-27-2012, 04:57 PM #1 stranger   Join Date: Jul 2012 Posts: 4 How do I calculate the EV of playing a dice game? So one of my friends offered me a dice game, and these are the rules: 1-51 = House Wins 52-56= reroll 57-96 = 2x 97-99 = 3x 100 = 4x Let's assume I am playing for 10\$ just to make the EV calculation easier, but how would one calculate the EV?
 07-27-2012, 05:03 PM #2 stranger   Join Date: Jul 2012 Posts: 4 Re: How do I calculate the EV of playing a dice game? Think I might have figured it out on my own lol (0,51*-10)+(0,04*0)+(0,39*10)+(0,03*20)+(0,01*30) = -0,3\$? But how do I calculate the house edge in %? 0,3/10*100? Last edited by Zepheres; 07-27-2012 at 05:12 PM.
 07-27-2012, 05:53 PM #3 Carpal \'Tunnel     Join Date: Jun 2005 Location: Psychology Department Posts: 7,430 Re: How do I calculate the EV of playing a dice game? You might want to explain the game a little bit. Like how many dice are you rolling and what are the values on those dice. Things like that matter in terms of the probability of getting any particular number. Or are you simply rolling a 100 sided die where every number is equally likely?
07-27-2012, 06:15 PM   #4
stranger

Join Date: Jul 2012
Posts: 4
Re: How do I calculate the EV of playing a dice game?

Quote:
 Originally Posted by Sherman You might want to explain the game a little bit. Like how many dice are you rolling and what are the values on those dice. Things like that matter in terms of the probability of getting any particular number. Or are you simply rolling a 100 sided die where every number is equally likely?
Yeah, it's a simple 100 sided die.

 07-27-2012, 06:42 PM #5 veteran   Join Date: Jan 2009 Posts: 2,343 Re: How do I calculate the EV of playing a dice game? You have a couple of counts wrong. Corrected, the EV is -0.20. If edge is defined as EV/Investment, here it is Edge = -0.2/10 = -2% for you or 2% for the house.

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