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put this solution on YOUR website!In a single die, the chances on any number 1 - 6 are equally probable.
Each face has a 1/6 chance of being rolled.
The probability of rolling a 1,2,3 or 4 is the sum of the individual odds.
1/6 + 1/6 + 1/6 + 1/6 = 4/6 = 2/3