A group of humans were timed running 100m. Here are the results:
humans
| | 1 | 4 | 1 | 6 | 4 | | 13 | 14 | 15 | 16 | 17 | | Time |
What fraction of the humans run 100m in more than 13s?
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[2] | A bag has 5 balls with numbers from 3 to 7. You take out 1 ball.
What is the probability of NOT getting the ball with the number 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:
| | 0.8 | 0.05 | | 0.1 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1 and smaller than 5? | |
[1] | We asked a group of kids how many Burgers they eat in a month. Here are the results:
What fraction of the kids eat exactly 2 Burgers in a month? | |
[2] |
Roll 96 6-sided dice.
How many times would you expect to get less than or equal to 3? | |
[1] | A bag has 7 balls with numbers from 3 to 9. You take out 1 ball.
What is the probability of getting a ball with an odd number? | |
[1] |
An obstacle course has 2 Fences and 1 Ditches. You have a 80% chance of clearing a Fence and a 50% 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:
| | 0.25 | 0.2 | | 0.15 | 0.4 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 3 or 5? | |
[1] |
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than 5? | |
[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 from 1 to 2? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | green | red | | Color |
Probability of Type
| | 0.5 | 0.5 | | sedan | wagon | | Type |
What is the probability of a car being a green wagon? | |
[2] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.1 | 0.4 | | pink | purple | blue | | Color |
How many blue balls were in the bag? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | purple | yellow | | Color |
Probability of Type
| | 0.8 | 0.2 | | wagon | sedan | | Type |
What is the probability of a car being a purple wagon? | |
[2] | A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in exactly 14s?
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[2] |
Roll 1 6-sided die.
What is the probability of getting a 4? | |
[1] |