What is the probability of obtaining 7 points with the rolling of two dice ?
[ Answer : 1/6 ]
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the probability of 7 points (sum of face numbers is 7) is 6/36 = 1/6
the 6 combination are {(1,6) (2,5) (3,4) (4,3) (5,2) (6,1)}
the 6 combination are {(1,6) (2,5) (3,4) (4,3) (5,2) (6,1)}