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Answered 2011-03-05 16:39:06

If it is a regular dice then the probability is 3/6 that is 1/2

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The probability of rolling an even number when number cube is rolled twice?

Because 3/6 of the sides on a number cube have even numbers, the probability of rolling even on one number cube is 1/2(equivalent of 3/6). But since you're rolling twice, you multiply the probability of one by itself (therefore rolling 2 number cubes). So: 1/2x1/2=1/4 The probability of rolling an even number when a number cube is rolled twice is 1/4, 25%, or 1 out of 4.




What is the probability of rolling a dice twice?

That depends on whether you roll it twice or not...


What is the probability of rolling a 7 twice in two rolls of a pair of 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.


What is the probability of rolling the sum of 12 with 2 dice?

Since you need a specific number - the number 6 - twice, the probability is (1/6)2, which is equal to 1/36.Since you need a specific number - the number 6 - twice, the probability is (1/6)2, which is equal to 1/36.Since you need a specific number - the number 6 - twice, the probability is (1/6)2, which is equal to 1/36.Since you need a specific number - the number 6 - twice, the probability is (1/6)2, which is equal to 1/36.


What is the probability of rolling the same number twice?

In 2 rolls, it's 1/6 = 162/3% if you don't care what the number is.If you name the number you want before rolling, it's 1/36 = 27/9%.


What is the probability of getting 4 dots on top in rolling two dice?

The probability of rolling a 4 in a die is 1 in 6, or about 0.1667. The probability, then, of rolling a 4 in at least one of two dice rolls is twice that, or 2 in 6, or 0.3333. The probability of rolling a sum of 4 in two dice is 3 in 36, or 1 in 18, or about 0.05556.


A number cube is rolled 2 times in a row What is the probability of rolling a 3 both times?

When a number cube is rolled twice, there are 36 possible outcomes. (1,1),(1,2),....(6,6). (3,3) occurs only once. Therefore, the probability of rolling a 3 both times is 1/36.


What is the probability of rolling a 4 twice with two rolls of a number cube?

Let A be the event of rolling a 4. P(A) = 1/6 P(A)P(A)=(1/6)(1/6)=1/36 Therefore, the probability of rolling a 4 twice with two rolls of a number cube is 1/36.


What is the probability you roll a number cube twice and get an even number but not a 2?

The probability of getting an even number on both dice is (2/6) * (2/6) = (4/36) = 1/9. The probability when rolling two dice of getting one even number but not a "2" is 10/36, which is 5/18.


What is the probability of rolling a two and then a three?

If you roll a die often enough, it is a certainty. If you roll a fair die just twice, the probability is 1/36.


What is the chance of rolling a 6 twice in a row on a die?

The chance of rolling a 6 twice in a row, on a six-sided die, is 1 in 36 or 2.78%. The number of possible different results for rolling a six-sided die twice is 6 squared (6 times 6), or 36, therefore the probability of getting any one of the possible results is 1 out of 36.


When a dice is rolled what is the probability of rolling a 3 twice?

Rolling it once there is a 1 out of 6 chance - because there is 6 numbers on a dice and one of them is three. so rolling it twice would be a 2 out of 12 chance / 0.16 / 16% chance


What is the probability of rolling 6 and 1 when rolling two dice?

There are 6X6 or 36 combinations; and you can get a 1 & 6 twice; so the answer is 2/36 or 1/18.


What is the probability of rolling a sum of 8 on at least one of two rolls of a pair of number cubes?

The probability of rolling a sum of 8 on one roll of a pair of dice is 5/36.The probability of not rolling a sum of 8 on one roll of a pair of dice is 31/36.The probability of rolling a sum of 8 twice on two rolls of a pair of dice is(5/36)(5/36) = (5/36)2 .The probability of rolling first a sum of 8 and then rolling a sum that is not 8 on thesecond roll is (5/36)(31/36).The probability of rolling a sum that is not 8 on the first roll and rolling a sum of 8in the second roll is (31/36)(5/36).So The probability of rolling a sum of 8 at least one of two rolls of a pair of dice is(5/36)2 + (5/36)(31/38) + (31/36)(5/36) = 0.258487654... ≈ 25.8%.


What are the odds of rolling doubles with one die in 25 rolls?

I'm going to assume you mean rolling the same number twice in a row in 25 rolls. The first won't cause a double, so you just need to consider the odds of rolling the same number as the last for the last 24 rolls. The easier approach is to realize that the probability of rolling at least one double is 1 minus the probability of rolling no doubles. One roll has this probability of not rolling the same as the last: P(different number from last) = 5/6 Since they are independent events: P(no doubles in 25 rolls) = (5/6)24 Now the final probability, of at least one double, is 1 - (5/6)24


If you roll a dice twice what is the theoretical probability of rolling three then four?

On a normal 6 sided dice the probability of rolling any number is 1/6.When we want a 3 AND then a 4 we multiply the probabilities together.So P(3 then 4) = 1/6 x 1/6 = 1/36


What is the probability of rolling a 3 when a number cube is rolled twice?

If you mean rolling at least one three, the 1/3. If you mean exactly one three, then 5/18. and If you mean a sum of 3 for the two throws, the answer is 1/18


If you roll a number cube twice what is the probability of rolling a 6 and a 2?

Assuming that a dice roll is purely random, there is a 1 in 6 probability of landing on any number. Since the second roll depends on the probability of the first, they factor together: First Roll: 1/6 Second Roll: (1/6)(1/6) = 1/36 If you were rolling both dice at once, however, the math would be completely different.


What are the odds of 12 numbers out of 37 on roulette not showing of 10 spins Interested in the odds of this happening twice in a row with the same number Thanks?

The probability is 0.0198. The probability of that happening twice is 0.000393 Is this the odds of it happening twice with the same number?


What is the probability of rolling a six-sided dice twice and coming up with at least one number 5?

First calculate the probability of NOT getting a single 5. This probability is 5/6 x 5/6 = 25/36. Therefore, the probability of getting at least one 5 is the complement thereof, that is, 1 - 25/36 = 11/36.


If You roll a fair number cube twice What is the probability of rolling two threes if the first roll is a 5?

2/36 what you rolled the first time has nothing to do with the next roll. It's an independent event.


What is the probability of rolling a 4 twice in a row with a six-sided die numbered 1 through 6?

Since there is a one in six chance of rolling a four on any given roll the probability is 1/6 or 0.16666... or 16.7%. Since each roll is independent the probabilities can be multiplied. For example to roll a four twice in a row is 1/6 x 1/6 or (1/6)^2. Note how quickly the probability drops. So, for a six sided dice the formula for rolling any number N times in row is (1/6)^N.


What is the prbability of rolling a five on one die three times in a row?

The chance is one in 216 (6^-3).The probability of rolling a five once is 1/6. Rolling a five again, on the same die or another, will still have a 1/6 chance. Therefore, the probability of the event occurring twice is 1/36 (1/6^2). Three times has a probability of 1/216 (1/6^3), and so on. It does not matter what die is used, as long as it has six sides.The probability p of rolling a number x times consecutively on an s sided die isp=s^-x


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