What is the probability of getting a 2 or a 5 when a die is rolled solution?
Table of Contents
- 1 What is the probability of getting a 2 or a 5 when a die is rolled solution?
- 2 What is the probability of rolling a 6 or a number greater than 2 on a regular die?
- 3 What is the probability of getting a 2 on a dice and a head?
- 4 What is the probability of getting 2 and 5?
- 5 What is the probability of a dice showing a 1 or 5?
- 6 What is the probability of rolling a 6 on a 6 sided die?
- 7 What is the probability of a roll greater than 2?
- 8 What is the probability of rolling a 15 on a dice?
- 9 What is the probability of rolling a sum out of set?
What is the probability of getting a 2 or a 5 when a die is rolled solution?
If you want either a 2 or a 5, then the odds are 1/6 + 1/6 = 2/6 = 1/3. If you want a 2 then a 5, the odds are 1/6 * 1/6 = 1/36.
What is the probability of rolling a 6 or a number greater than 2 on a regular die?
What is the probability of rolling a number greater than 2 twice in a row on a fair six-sided die, with each of the numbers 1– 6 on each side? so, the probability of rolling a number greater than 2 twice in a row = 4/6 x 4/6 = 16/36 = 4/9.
What is the probability of getting a 2 on a dice and a head?
There are two sides to a coin and only one side has a head, so the probability of its coming up heads is 1/2. From the diagram, you can see that there are 12 possible outcomes and getting a “2 Heads” is only one of the 12; hence the probability is 1/12.
What is the probability of rolling 1?
1/6
Probability of an event = (number of favorable event) / (total number of event). P(B) = (Event B) / (total number of event). Probability of getting 1 = 1/6. Rolling dice is an independent event, it is not dependent on how many times it’s been rolled.
What is the probability of rolling 1 and 1 with 2 dice?
11/36
So, P(at-least single 1) = 11/36.
What is the probability of getting 2 and 5?
Getting 2 or 5 in two throws should be P(2)+P(5). P(2)=1/6,P(5)=1/6 so the combined so it should be 1/3.
What is the probability of a dice showing a 1 or 5?
Hence the probability that at least one shows a 1 or 5 is 1−(2/3)2=5/9.
What is the probability of rolling a 6 on a 6 sided die?
Two (6-sided) dice roll probability table
| Roll a… | Probability |
|---|---|
| 4 | 3/36 (8.333\%) |
| 5 | 4/36 (11.111\%) |
| 6 | 5/36 (13.889\%) |
| 7 | 6/36 (16.667\%) |
What is the probability of flipping tails and rolling 1 or 2?
If the probability is one, we say that this outcome always occurs with complete certainty. Examples: When we flip a coin a very large number of times, we find that we get half heads, and half tails. We conclude that the probability to flip a head is 1/2, and the probability to flip a tail is 1/2.
What is the probability of getting 2 or 5 on a die?
Assuming a standard 6-sided die, the probability of getting 2 or 5 is 1 6 + 1 6 = 2 ∗ 1 6 = 1 3 = 0.33. You can also calculate it by substracting the probability of not getting 2 or 5 from 1, since P r [ ( 2 ∨ 5)] + P r [ ¬ ( 2 ∨ 5)] = 1, or 1 − 4 6 = 1 − 2 3 = 3 − 2 3 = 0, 33.
What is the probability of a roll greater than 2?
So the probability of a roll greater than 2 is 4 out of 6 XXX = 4 6 = 2 3
What is the probability of rolling a 15 on a dice?
If we consider three 20 sided dice, the chance of rolling 15 on each of them is: P = (1/20)³ = 0.000125 (or P = 1.25·10⁻⁴ in scientific notation). And if you are intereseted in rolling the set of any identical values, simply multiply the result by the total die faces: P = 0.000125 * 20 = 0.0025.
What is the probability of rolling a sum out of set?
The probability of rolling a sum out of the set, not lower than X – like the previous problem, we have to find all results which match the initial condition, and divide them by the number of all possibilities. Taking into account a set of three 10 sided dice, we want to obtain a sum at least equal to 27.