Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.5 | 0.5 | | red | pink | | Color |
Probability of Type
| | 1 | | sedan | wagon | | Type |
What is the probability of a car being a pink wagon? | |
[2] | The weather forecast says that the chances of rain are 90%. The chance of remembering your umbrella is 70%. Your chance of being outside today are 70%.
What is the probability of getting wet today? | |
[1] |
Roll 120 6-sided dice.
How many times would you expect to get anything except 4? | |
[1] | A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in exactly 15s?
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[2] |
Flip a coin 2 times.
Each time a Head comes up you win $4. It costs $4 to play (paid once). How much money would you expect to make altogether? | |
[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 2 or 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:
| | 0.25 | 0.05 | 0.25 | | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 1 or 2? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.7 | 0.3 | | blue | yellow | | Color |
Probability of Type
| | 0.4 | 0.6 | | sedan | wagon | | Type |
What is the probability of a car being a blue sedan? | |
[2] |
There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.3 | 0.3 | | pink | yellow | purple | | Color |
How many pink balls were in the bag? | |
[1] | We asked a group of girls how many Bananas they eat in a week. Here are the results:
What is the probability of the girls to eat exactly 1 Bananas in a week? | |
[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:
| | 0.15 | 0.2 | 0.05 | 0.1 | 0.5 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1 or smaller than 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 | 0.25 | | 0.25 | 0.3 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 5 and smaller than 1? | |
[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 2 or smaller than 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:
| | 0.6 | | 0.05 | 0.2 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 3? | |
[1] |
There are 90 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] | There are 5 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] |
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