Admin Table of Contents
- 1 What is the probability of rolling a 4 or 8?
- 2 What is the probability of randomly drawing an ace or a red card from a standard deck of playing cards?
- 3 What is the probability of rolling a 9 with two dice?
- 4 What is the probability of rolling the sum of two dice?
- 5 What are the odds of rolling a sum of 8?
What is the probability of rolling a 4 or 8?
For example, if you wanted to know the probability of rolling a 4, or a 7: 3/36 + 6/36 = 9/36….Two (6-sided) dice roll probability table.
| Roll a… | Probability |
|---|---|
| 7 | 6/36 (16.667%) |
| 8 | 5/36 (13.889%) |
| 9 | 4/36 (11.111%) |
| 10 | 3/36 (8.333%) |
What is the probability of rolling a sum of at least 8?
Probabilities for the two dice
| Total | Number of combinations | Probability |
|---|---|---|
| 7 | 6 | 16.67% |
| 8 | 5 | 13.89% |
| 9 | 4 | 11.11% |
| 10 | 3 | 8.33% |
What is the probability of randomly drawing an ace or a red card from a standard deck of playing cards?
Q. What is the probability that your card is an ace or a red card? 42 126/sa-2/52 =28152 = 14/26=7713 b.
What is the probability of one of the dice showing 4 or the sum being at least 7?
Now, if the first die shows 4 there is only one way to make the sum of both dice equal 7 which means P(A ∩ B) = 1 36 . Therefore, the probability that the first die shows 4 given that the sum is 7 is P(A|B) = P(A ∩ B) P(B) = 1/36 6/36 = 1 6 .
What is the probability of rolling a 9 with two dice?
How many ways can we get a 9 with two dice? 936 , which can be simplified to 14 . Therefore, the probability of rolling a 9 with two dice is 14 .
What is the probability of a sum of 8 when three fair dice are tossed?
21/216
Probability of a sum of 8: 21/216 = 9.7%
What is the probability of rolling the sum of two dice?
The combinations for rolling a sum of seven are much greater (1 and 6, 2 and 5, 3 and 4, and so on). To find the probability that the sum of the two dice is three, we can divide the event frequency (2) by the size of the sample space (36), resulting in a probability of 1/18. 3. Two six-sided dice are rolled.
What is the denominator of rolling two dice?
Since each die has 6 different possibilities, the outcomes of rolling two dice are given by 6 × 6, which is 36. This will be our denominator. How many ways can we get 8 with two dice? These are all ways to get 8 with two dice. There’s 5 ways, so this will be our numerator.
What are the odds of rolling a sum of 8?
There are 6 results of rolling the second die of which one is a match for the first die, so the chances are 1/6, or to keep a steady denominator, 6/36. The chance of rolling a sum of 8… well, if you roll a 1 on either die, you cannot roll a sum of 8.
How many times can the sum of two dice be 8?
Similarly, now, if dice 1’s face is 3, sum will be 8 only if dice 2’s upper face shows 5. If dice 1 shows 4, sum = 8 only if dice 2 is 4. If dice 1 is 5, sum = 8 only if dice 2 is 3. If dice 1 is 6, sum= 8 only if dice 2 is 2. Therefore, sum will be 8 only 5 times.