Roll 150 6-sided dice. How many times would you expect to get anything except 1? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | blue | green | | Color |
Probability of Type
| | 1 | | | wagon | sedan | | Type |
What is the probability of a car being a blue sedan? | |
[2] |
Roll 4 6-sided dice. What is the probability of getting 4 numbers that are less than 3? | |
[1] | We asked a group of boys how many Bowls of Ramen they eat in a day. Here are the results:
What is the probability of the boys to eat exactly 0 Bowls of Ramen in a day? | |
[2] |
A Crazy Die has 5 sides, but each side has a different probability of being rolled. This is is the probability distribution of the sides being rolled:
| | 0.1 | 0.1 | 0.25 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1 and smaller than 2? | |
[1] | Flip a coin 18 times. How many times would you expect to get Tails? | |
[1] |
A Crazy Die has 5 sides, but each side has a different probability of being rolled. This is is the probability distribution of the sides being rolled:
| | 0.4 | 0.15 | 0.2 | 0.2 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 3? | |
[1] | A group of people were timed running 100m. Here are the results:
| Time | people | | 13 | 2 | | 14 | 5 | | 15 | 1 | | 16 | 0 | | 17 | 6 |
What is the probability of the people to run 100m in exactly 15s?
| |
[2] |
An obstacle course has 1 Fences and 2 Ditches. You have a 50% chance of clearing a Fence and a 80% chance of clearing a Ditch. What is the probability of having a perfect run (clearing everything)? | |
[1] | You roll 2 3-sided dice You add the two numbers. What is the probability of getting more than or equal to 3? | |
[1] |
A group of humans did a math test and here are their scores out of 5:
What is the probability of the humans to score less than 4? | |
[2] | Roll 126 6-sided dice. How many times would you expect to get less than 5? | |
[1] |
A wheel has 13 sections, each with a different reward. What is the probability of getting a Hearts? | |
[1] | A bag has 8 red balls, 5 blue balls and 3 yellow balls. You take out a red ball, then a yellow ball, then another ball. What is the probability of getting red for the last ball? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.7 | 0.3 | | green | pink | | Color |
Probability of Type
| | 0.4 | 0.6 | | sedan | wagon | | Type |
What is the probability of a car being a green wagon? | |
[2] |