<P> For the same n, the probability P' (q) that at least q dice are showing a given face is the sum of P (x) for all x such that q ≤ x ≤ n, or </P> <Dl> <Dd> P ′ (q) = ∑ x = q n C (n, x) ⋅ (1 / 6) x ⋅ (5 / 6) n − x (\ displaystyle \ P' (q) = \ sum _ (x = q) ^ (n) C (n, x) \ cdot (1 / 6) ^ (x) \ cdot (5 / 6) ^ (n-x)) </Dd> </Dl> <Dd> P ′ (q) = ∑ x = q n C (n, x) ⋅ (1 / 6) x ⋅ (5 / 6) n − x (\ displaystyle \ P' (q) = \ sum _ (x = q) ^ (n) C (n, x) \ cdot (1 / 6) ^ (x) \ cdot (5 / 6) ^ (n-x)) </Dd> <P> These equations can be used to calculate and chart the probability of exactly q and at least q for any or multiple n . For most purposes, it is sufficient to know the following facts of dice probability: </P>

Pirates of the caribbean dead man's chest dice game rules