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Q: You roll a dice once what is the probability that you roll a even number?

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That depends on what kind of dice you are rolling and how many of them you roll. If you roll two 6-sided dice once, the probability of getting the number 100 is exactly zero. You cannot get a 100 on one roll of two 6-sided dice. Other dice and different numbers of them may yield different probabilities.

there is six sides on a dice and three of them is odd3/6=1/2=50%it's a 50% chance to roll an odd number

The probability of rolling 7 once with two dice is 1 in 6, o 0.1667. The probability, then, of doing that twice in a row is 1 in 36, or 0.02778.

There are 6 sides on a die, so the denominator should be 6. The number 3 appears on the dice once, so the fraction probability should be 1/6.

There are 36 permutations of two dice.1 Of these 4 have a sum of 9, specifically 36, 45, 54, and 63. Therefore, the probability of throwing a sum of 9 on two dice is 4 in 36, or 1 in 9, or about 0.1111. ---------------------------------------------------------------------------------- 1It does not matter it you throw one die two times or two dice once. Since these are independent events, the probabilities are the same either way.

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The same as rolling an odd number... 1:2 or 50% chance.

The probability is 1, if the dice are rolled often enough.

If two dice are rolled once, the probability is 30/36 = 5/6

That depends on what kind of dice you are rolling and how many of them you roll. If you roll two 6-sided dice once, the probability of getting the number 100 is exactly zero. You cannot get a 100 on one roll of two 6-sided dice. Other dice and different numbers of them may yield different probabilities.

there is six sides on a dice and three of them is odd3/6=1/2=50%it's a 50% chance to roll an odd number

4/6 or 2/3

zero as you only have 3 dice, with the number 6 on them only once on each dice. so if you are lucky you can only throw 6 3 times using 3 dice.

The probability of rolling 7 once with two dice is 1 in 6, o 0.1667. The probability, then, of doing that twice in a row is 1 in 36, or 0.02778.

The probability of getting a sum of 2 at least once is 0.8155

"A" is singular, "dice" is plural. One "dice" is a "die". Tossing one six sided die means the odds of the number 1 displaying is 1 out of 6. Tossing two six sided dice means the odds of the number 1 displaying is zero, as at a minimum it will be 1 and 1, or 2.

1 out of 12

The probability of rolling a 1 on a die is 1/6 if you roll it once.

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