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What is the probability if rolling a sum of 7 or 8 given the second die is a 1 or a 2?
1/4 = 0.25
If the second die is 1 or 2, then there are 12 possible outcomes.
To score 7: 5+2 or 6+1 ⇒ 2 rolls
To score 8: 6+2 ⇒ 1 roll
⇒ to score 7 or 8: 2 + 1 = 3 rolls
So there are 3 rolls to score the required sums out of 12 possible rolls, giving a probability of:
3/12 = 1/4 = 0.25
What else can I help you with?
What is the probability of rolling a 3?
assuming a single six sided die the probability of rolling a three is 1/6
Rolling an even number on a die?
Probability of rolling an even number on a die is 1/2.
If a single die is rolled twice What is the probability of getting a 3 the first time and a 5 the second time?
The probability of rolling a 3 on a single die is 1/6. Similarly, the probability of rolling a 5 on a single die is also 1/6. When rolling the die twice, the probabilities are independent events, so you multiply the probabilities together: (1/6) * (1/6) = 1/36. Therefore, the probability of rolling a 3 the first time and a 5 the second time is 1/36.
What is the experimental probability of not rolling a 2 on a die?
5/6
What is the probability of rolling a 3 or a 4 with a six sided die?
The probability of rolling a 3 or 4 with a 6 sided die is 2 over 6. Also known as one/third.
What is the probability of rolling a given number on a die?
On a regular number cube, it is 1/6.
If you roll two die what is the probability that one die will roll a one and the second die will roll a two?
Assuming you are talking about fair, six-sided dice, then the probability of rolling a 1 on the first roll in 1/6, and the probability of rolling a 2 on the second roll is 1/6. Putting these together, the probability of rolling 1 on the first die and 2 on the second die is 1/36. If you do not care about the order, then you could roll 1,2 or 2,1; in this case the probability would be 2/36, or 1/18.
What is the probability of not rolling a 6 on a die?
The probability of not rolling a 6 is 5/6.
What is the probability of rolling an even number on a die and rolling an odd number on a second roll of the same die?
0.25 ( P = 0.5 each time)
What is the probability of two dice rolling a 5 on the first die and a 2 on the second die rounded to the nearest whole percent?
The probability is 1 out of 36, or about 3%, I think.
What is the probability of rolling a sum of 7 when rolling one die twice?
The probability is 1/6.
What is the probability of getting 5 in rolling a die given that 6 has occurred already?
If it is a fair die and rolled fairly, the two events are independent so that the probability is 1/6.
What is the probability of rolling a 2 on the first dice and an odd number on the second dice?
None, because you cannot have the first or second dice: it is the first die or second die. The probability is 1/6 * 1/2 = 1/12
If a die is rolled 375 times and 5 occurs 80 times what is the probability of rolling a 5?
The probability of rolling a 5, based on the information given, is 80/375 or 16/75. Your problem describes a relative frequency approximation of probability.
What is the probability of rolling a 2 on a die and then re-rolling the die and getting an even number?
The probability of rolling a 2 is 1 in 6. The probability of rolling an even number is 3 in 6. The probability of doing both, on two rolls, is 3 in 36, or 1 in 12.
What is the probability of rolling a number greater than 6 on a die?
The probability of rolling a number greater than 6 on a die is 0.
What is the probability of rolling a 7 on a regular six-sided die?
The probability of rolling a 7 on a standard die is 0. It will not ever happen.
