1 in 6
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The sample space of rolling a die is [1, 2, 3, 4, 5, 6].
There are 6 outcomes when a die is rolled; 2 is one outcome so the probability of rolling a 2 is 1/6.
Prob(Rolling 2 when rolling 1200 times) = 1 - Prob(not rolling 2 when rolling 1200 times) = 1 - (5/6)1200 = 1 [accurate to 95 decimal places] That is, it is virtually a certainty.
The probability of rolling a sum of 2 is 1/36 The probability of rolling the value 2 on one die or the other (or both) is 11/36
The probability of rolling a 2 is 1 in 6. The probability of rolling an even number is 3 in 6. The probability of doing both, on two rolls, is 3 in 36, or 1 in 12.