Two number cubes are rolled what is the probability that the sum of the numbers rolled is either a 4 or a 10

asked Apr 2, 2016 152k views

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by Svens

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$|\Omega|=6^2=36\\ A=\{(1,3),(3,1),(2,2),(4,6),(6,4),(5,5)\}\\ |A|=6\\ P(A)=(|A|)/(|\Omega|)\\\\ P(A)=(6)/(36)=(1)/(6)$

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