7
If the order of the dice is irrelevant, then the answer is 21. If the order of the dice is relevant, the answer is 36.
The probability to get a 12, with two dice, is 1/36.
The expected value is 7.
Prob = 4/36 = 1/9
Paradise (pair of dice).
If the dice are fair then it is 5/36.
It is 1/9.
If the order of the dice is irrelevant, then the answer is 21. If the order of the dice is relevant, the answer is 36.
The probability to get a 12, with two dice, is 1/36.
The expected value is 7.
There is one way to roll a sum of 12. There are 36 different outcomes from rolling a pair of dice. Therefore, the probability is 1/36 ~= 0.0278 = 2.78%
4
When rolling one die, the probability of getting a 4 is 1 in 6, or 0.1667. If two dice are rolled, you get two unrelated chances of rolling at least one 4, so the probability is 2 in 6, or 0.3333.
Prob = 4/36 = 1/9
Paradise (pair of dice).
To roll a three on any one dice, the odds are 1/6. To roll a three on any one of a pair of dice, the odds are 1/6 x 1/6 which is 1/36 or 1 in 36 chance.
There are a total of 12 faces on a pair of dice.