There are 16 balls in a bag. This is is the probability distribution of their color:
How many orange balls were in the bag? | |
[1] | A group of kids did a math test and here are their scores out of 5:
What fraction of the kids score exactly 0? | |
[2] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | red | blue | | Color |
Probability of Type
| | 0.3 | 0.7 | | wagon | sedan | | Type |
What is the probability of a car being a red sedan? | |
[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:
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:
people
| | 2 | 2 | 1 | 5 | 3 | | 13 | 14 | 15 | 16 | 17 | | Time |
What is the probability of the people to run 100m in more than 14s?
| |
[2] | A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in exactly 14s?
| |
[2] |
An obstacle course has 2 Fences and 1 Ditches. You have a 80% chance of clearing a Fence and a 100% chance of clearing a Ditch. What is the probability of having a perfect run (clearing everything)? | |
[1] | | You shoot an arrow at a target. There is a 10% chance of scoring a 10 and a 30% chance of scoring a 40 and a 60% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.5 | 0.4 | | green | orange | blue | | Color |
How many blue balls were in the bag? | |
[1] | A bag has 6 balls with numbers from 5 to 10. You take out 1 ball. What is the probability of NOT getting a ball with a number less than 7? | |
[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 | 0.05 | 0.2 | 0.25 | 0.1 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 1 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:
What is the probability of rolling a number that is bigger than or equal to 2? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What is the probability of the dogs to run 100m in exactly 17s?
| |
[2] | A group of boys did a math test and here are their scores out of 5:
What is the probability of the boys to score less than 1? | |
[2] |
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