You cannot roll "a dice" because it is one die, many dice.
If you roll an ordinary, 6 faced die, the probability that it will land on 1 is 1/6.
1/6
The probability that you will roll doubles on a pair of dice is 1 in 6. The probability that you roll "something" on the first die is 1 in 1. The probability that the second die will match the first die is 1 in 6. The resultant probability is simply the product of (1 in 1) and (1 in 6).
The probability is 1/6.
For a single roll of a pair of fair dice, the answer is 1/36.
The probability of rolling a sum of 12 in a single roll of two dice is 1 in 36, or about 0.0278.
Assuming they are fair, regular dice, the probability is 1/18.
you will land on 1 or 6 5/6 times
The probability that you will roll doubles on a pair of dice is 1 in 6. The probability that you roll "something" on the first die is 1 in 1. The probability that the second die will match the first die is 1 in 6. The resultant probability is simply the product of (1 in 1) and (1 in 6).
The probability is 1/6.
For a single roll of a pair of fair dice, the answer is 1/36.
The probability of rolling a sum of 12 in a single roll of two dice is 1 in 36, or about 0.0278.
It is 1/2
one third
The addition rule of probability states that the probability that one or the other will happen is the probability of one plus the probability of the other. This rule only applies to mutually exclusive events. For example, the probability that a dice roll will be a 3 is 1/6. The probability that the dice roll will be even is 1/2. These are mutually exclusive events as the dice cannot be both 3 and even. Thus the probability of the dice roll coming up either a 3, or even, is 1/2 + 1/6 = 2/3.
1 out of 6
Assuming they are fair, regular dice, the probability is 1/18.
Assuming they are fair dice that are numbered 1 to 6, the probability is 2/36 = 1/18
It is 1: if you roll the die often enough. On a single roll of a fair die, the probability is 1/6.