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Tables to Improve Your Game

Posted By: storm
Date: Monday, 15 March 2010, at 12:58 p.m.

In Response To: Tables to Improve Your Game (joe freedman)

The expected number of rolls is the number of rolls you have to wait on average to roll a 6. Imagine performing an "experiment" where you roll a die until you roll a 6 and repeat it a high number of times. The ration (rolls needed)/trials will converge to 36/11. The use of expectation comes from stats/probability theory. The mean of some stochastic variable X is called the expectation of X and is denoted by EX. You are a favorite to roll a six within 2 rolls, but on average you will have to use 36/11 rolls.

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