Re: russian roulette
Going First:
(1/6) + (5/6)(4/5)(1/4) + (5/6)(4/5)(3/4)(2/3)(1/2) =
= .5
Notice the denominators other than 6 cancel out all the numerators.
With that answer there must be a way of looking at it where the answer pops out as obvious. Don't know what it would be though.
PairTheBoard
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