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That means that you should roll a die many times, count how often you get the number "2", then divide this by the total number of rolls.
If the die is "fair" (no extra weight on one side), you would expect this experimental probability to be somewhere close to the theoretical probability of 1/6, at least, if you roll often enough.
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What is the probability of not rolling sum of 6 with two fair dice?
The probability of not rolling a sum of six with two fair dice is 1 minus the probability of rolling a sum of six. There are 36 permutations of rolling two dice. Of these, five sum to six, 1+5, 2+4, 3+3, 4+2, and 5+1. The probability, then of rolling a sum of six is 5 in 36. The probability, then of not rolling a sum of six is 31 in 36, or about 0.8611.
What is the probabilities of rolling a 2 with two dice?
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
Find the probability of rolling a sum of 5 with 2 dice?
The probability of rolling a sum of 5 with two die is 4 over 36, or 2 over 18, or 1 over 9.
What is the probability of rolling the sum of 9 with 2 dice?
1 in 9
What is the probability of rolling 2 number cubes with a sum of 1?
36
