Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.6 | 0.4 | | yellow | green | | Color |
Probability of Type
| | 1 | | wagon | sedan | | Type |
What is the probability of a car being a green sedan? | |
[2] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.3 | 0.1 | | yellow | red | blue | | Color |
If you choose a random ball from the bag, what is the probability of it being red or yellow? | |
[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:
| | 0.5 | 0.2 | 0.05 | 0.25 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 3? | |
[1] | Flip a coin 16 times.
Each time a head comes up you win $2 and with each tail you lose $1. 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 a number that is smaller than or equal to 1? | |
[1] | Roll 120 6-sided dice.
How many times would you expect to get a number more than 3? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.9 | 0.1 | | yellow | blue | | Color |
Probability of Type
| | 0.2 | 0.8 | | wagon | sedan | | Type |
What is the probability of a car being a blue wagon? | |
[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:
What is the probability of rolling a number that is smaller than 1? | |
[1] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.2 | 0.2 | | purple | blue | orange | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange or purple? | |
[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:
| | 0.5 | 0.15 | 0.1 | 0.25 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 and smaller than 1? | |
[1] |
The weather forecast says that the chances of rain are 80%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 40%.
What is the probability of getting wet today? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it not being blue or red? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.3 | 0.2 | | green | orange | blue | | Color |
How many blue balls were in the bag? | |
[1] | A bag has 8 balls with number 1 and 8 balls with a number 9. You take out 1 ball.
What is the probability of getting the ball with the number 9? | |
[1] |
A bag has 3 balls with number 9 and 7 balls with a number 3. You take out 1 ball.
What is the probability of getting the ball with the number 9? | |
[1] | The chances of feeling like icecream are 70%. The chances of being near an icecream store are 90%. There is a 10% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What is the probability of the dogs to run 100m in less than 17s?
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[2] |