An obstacle course has 2 Fences and 1 Ditches. You have a 100% 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] | A bag has 11 balls with numbers from 1 to 11. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 0? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in exactly 13s?
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[2] | Roll 96 6-sided dice.
How many times would you expect to get a number less than 4? | |
[1] |
A group of dogs did a math test and here are their scores out of 5:
What is the probability of the dogs to score less than 3? | |
[2] | A bag has 8 balls with numbers from 2 to 9. You take out 1 ball.
What is the probability of getting a ball with an even number? | |
[1] |
A bag has 7 red balls and 6 blue balls. You take out a blue ball, then a blue ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | Roll 138 6-sided dice.
How many times would you expect to get more than or equal to 3? | |
[1] |
We asked a group of kids how many Peaches they eat in a month. Here are the results:
What is the probability of the kids to eat exactly 2 Peaches in a month? | |
[2] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.4 | 0.6 | | purple | blue | | Color |
Probability of Type
| | 0.3 | 0.7 | | sedan | wagon | | Type |
What is the probability of a car being a purple wagon? | |
[2] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a 6 or a 1 and a head or a tail? | |
[1] | A group of humans were timed running 100m. Here are the results:
humans
| | 6 | 1 | 6 | 1 | 3 | | 13 | 14 | 15 | 16 | 17 | | Time |
What is the probability of the humans to run 100m in less than 16s?
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[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:
| | 0.55 | 0.1 | 0.05 | 0.2 | 0.1 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 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:
| | 0.35 | 0.1 | 0.15 | 0.25 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 and smaller than 5? | |
[1] |
There are 8 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] |