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:
What is the probability of rolling a 2? | |
[1] | Roll 108 6-sided dice.
How many times would you expect to get less than or equal to 4? | |
[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:
| | 0.2 | 0.1 | 0.25 | 0.1 | 0.35 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1 and smaller than 4? | |
[1] | Roll 108 6-sided dice.
How many times would you expect to get anything except 3? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.3 | 0.5 | | orange | green | purple | | Color |
If you choose a random ball from the bag, what is the probability of it being green or orange? | |
[1] | A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in less than 16s?
| |
[2] |
There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.2 | 0.7 | | orange | purple | red | | Color |
How many orange balls were in the bag? | |
[1] | An obstacle course has 1 Fences and 1 Ditches. You have a 100% 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] |
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:
What is the probability of rolling a number that is smaller than 4? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | green | yellow | | Color |
Probability of Type
| | 0.8 | 0.2 | | sedan | wagon | | Type |
What is the probability of a car being a green wagon? | |
[2] |
Roll 2 6-sided dice.
You add the two numbers. What is the probability of getting 2? | |
[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:
| | 0.6 | 0.05 | 0.1 | 0.05 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4? | |
[1] |
A group of people were timed running 100m. Here are the results:
| Time | people | | 13 | 3 | | 14 | 1 | | 15 | 6 | | 16 | 2 | | 17 | 1 |
What is the probability of the people to run 100m in exactly 15s?
| |
[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:
| | 0.75 | 0.1 | 0.05 | | 0.1 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] |
A bag has 5 red balls and 7 blue balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in more than 13s?
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[2] |
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