Roll 1 6-sided die.
What is the probability of getting a 4? | |
[1] | A bag has 2 red balls and 8 blue balls. You take out a blue ball, then a blue ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in exactly 17s?
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[2] | An obstacle course has 2 Fences and 1 Ditches. You have a 50% 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] |
We asked a group of kids how many Chocolates they eat in a month. Here are the results:
What is the probability of the kids to eat exactly 1 Chocolates in a month? | |
[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:
| | 0.05 | 0.25 | 0.1 | 0.05 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 2 or 4? | |
[1] |
Roll 54 6-sided dice.
How many times would you expect to get less than or equal to 6? | |
[1] | We asked a group of people how many Oranges they eat in a week. Here are the results:
What is the probability of the people to eat less than 4 Oranges in a week? | |
[2] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | blue | orange | | Color |
Probability of Type
| | 0.7 | 0.3 | | wagon | sedan | | Type |
What is the probability of a car being a blue wagon? | |
[2] | An obstacle course has 1 Fences and 2 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 8 red balls and 10 blue balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] | A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in exactly 15s?
| |
[2] |
Flip 7 coins.
What is the probability of getting 7 heads? | |
[1] | A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in less than 17s?
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[2] |
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