Table of Contents
- 1 What is the probability of rolling a dice and getting a 2?
- 2 What is the probability of rolling a 2 on a six sided die What is the probability of rolling two 2s on two six sided die?
- 3 What is the probability of rolling 2 dice and getting a sum of 2?
- 4 What is the expected value of rolling two dice?
- 5 What are the chances of rolling a dice?
What is the probability of rolling a dice and getting a 2?
1/36
Two (6-sided) dice roll probability table
| Roll a… | Probability |
|---|---|
| 2 | 1/36 (2.778%) |
| 3 | 3/36 (8.333%) |
| 4 | 6/36 (16.667%) |
| 5 | 10/36 (27.778%) |
What is the probability of rolling a 2 on one roll of die?
1/6
The probability of rolling a 2 on a die is 1/6.
What is the probability of rolling a 2 on a six sided die What is the probability of rolling two 2s on two six sided die?
136
Explanation: The probability of rolling a 2 on a 6-sided dice is 16 . The probability of rolling two 2s on two 6-sided die is, by the multiplication principle, 16×16=136 .
What is the probability of rolling a 2 and then rolling a 5?
Explanation: There is a 16 probability of getting a 2 on the first roll and a 16 probability of getting a 5 on the second roll.
What is the probability of rolling 2 dice and getting a sum of 2?
Probabilities for the two dice
| Total | Number of combinations | Probability |
|---|---|---|
| 2 | 1 | 2.78% |
| 3 | 2 | 5.56% |
| 4 | 3 | 8.33% |
| 5 | 4 | 11.11% |
What is the probability of rolling a 2 on a six sided die How is probability used in the study of genetics?
Probability of rolling 2 is 1/6. Probability of rolling 2 twice is 1/36. In genetics probability principles are applied to determine the probability of phenotypes and genotypes based on the number of possible outcomes of allele pairings.
What is the expected value of rolling two dice?
The answer is 7 because the expected value of rolling a single dice is 3.5 ( (1/6 * 1)+ (1/6*2) + (1/6*3) + (1/6*4) + (1/6*5) + (1/6*6)), so for two dice just multiply 3.5 * 2 = 7
What is the probability of fair die?
A fair 6-sided die numbered 1 through 6 (standard) has a 1/6 chance of a 2 and a 1/6 chance of a 5, and since they’re mutually exclusive, you just add them together to get a 1/3 chance of getting either a 2 or 5. Some other die would have some other possibility.
What are the chances of rolling a dice?
Dice Roll Probability. The chance of rolling a total of 2 is 2.78 percent. The chance of rolling a total of 3 is 5.56 percent. The chance of rolling a total of 4 is 8.33 percent.
What is the probability of a die?
A standard die has six sides printed with little dots numbering 1, 2, 3, 4, 5, and 6. If the die is fair (and we will assume that all of them are), then each of these outcomes is equally likely. Since there are six possible outcomes, the probability of obtaining any side of the die is 1/6.