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 | 0.1 | 0.25 | | 0.6 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] | A group of humans did a math test and here are their scores out of 5:
What is the probability of the humans to score less than 3? | |
[2] |
Flip 3 coins.
What is the probability of getting 3 tails? | |
[1] | A bag has 9 balls with numbers from 2 to 10. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 8? | |
[1] |
The weather forecast says that the chances of rain are 70%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 90%.
What is the probability of getting wet today? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.2 | 0.2 | | green | purple | orange | | Color |
How many orange balls were in the bag? | |
[1] |
Flip a coin 12 times.
Each time a Tail comes up you win $4. It costs $13 to play (paid once). How much money would you expect to make altogether? | |
[1] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than 6? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.7 | 0.1 | 0.2 | | pink | red | purple | | Color |
How many red balls were in the bag? | |
[1] | We asked a group of kids how many Apples they eat in a month. Here are the results:
What is the probability of the kids to eat more than 1 Apples 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:
| | 0.15 | 0.05 | | 0.1 | 0.7 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 5 and 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:
| | 0.7 | | 0.15 | 0.1 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 3? | |
[1] |
There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.4 | 0.1 | | blue | orange | purple | | Color |
How many purple balls were in the bag? | |
[1] | The weather forecast says that the chances of rain are 90%. The chance of remembering your umbrella is 60%. Your chance of being outside today are 70%.
What is the probability of getting wet today? | |
[1] |
A wheel has 12 sections, 2 of each color.
What is the probability of getting orange? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.5 | 0.5 | | purple | red | | Color |
Probability of Type
| | 0.4 | 0.6 | | wagon | sedan | | Type |
What is the probability of a car being a red sedan? | |
[2] |
Flip 7 coins.
What is the probability of getting 7 tails? | |
[1] |