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BGonline.org Forums
Backgammon Dice are NEVER precision dice
Posted By: Kevin McDonough In Response To: Backgammon Dice are NEVER precision dice (Phil Simborg)
Date: Thursday, 25 August 2016, at 9:32 p.m.
Phil: "And I am saying that if electronic dice are not random, we will have a record of the rolls to determine just how inaccurate it is." I ask how many rolls would be necessary to confidently state that the electronic dice generator is "inaccurate" or "unfair." And how big would the deviation from norm have to be to reach the same conclusion. For reference I checked XG Players/Profile Results/Dice/Details and found the distributions of each dice number (1-6) in my results. For Gridgammon games (46,820 rolls) there was a maximum deviation from the the norm (16.666%) of 0.258%. For games vs XG 165,742 rolls this deviation was reduced to + 0.116% for the number 5.
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