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Determine the probability of 3 sixes in 5 tosses on a fair die.

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  1. Prob(a 6) = 1/6 , prob(not a 6) = 5/6
    so in 5 tosses you want that 3 times
    Prob(of your event)
    = C(5,3) (1/6)^3 (5/6)^2
    = 10(1/216)(25/36)
    = 125/3888 or appr .03215

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