You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than 4? | |
[1] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.7 | 0.2 | 0.1 | | pink | blue | green | | Color |
If you choose a random ball from the bag, what is the probability of it not being blue? | |
[1] |
We asked a group of kids how many Apples they eat in a week. Here are the results:
What fraction of the kids eat more than 4 Apples in a week? | |
[2] | Flip a coin 18 times.
Each time a head comes up you win $1 and with each tail you lose $1. It costs $8 to play (paid once). How much money would you expect to make altogether? | |
[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] | Roll 42 6-sided dice.
How many times would you expect to get less than 4? | |
[1] |
A group of kids did a math test and here are their scores out of 5:
What fraction of the kids score exactly 0? | |
[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:
| | 0.65 | 0.1 | 0.05 | 0.2 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 and smaller than 4? | |
[1] |
There are 110 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] | A bag has 3 balls with numbers from 3 to 5. You take out 1 ball.
What is the probability of getting the ball with the number 3? | |
[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 5 and smaller than 4? | |
[1] | The weather forecast says that the chances of rain are 90%. 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] |
An obstacle course has 1 Fences and 1 Ditches. You have a 100% chance of clearing a Fence and a 90% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] | We asked a group of dogs how many Apples they eat in a day. Here are the results:
What is the probability of the dogs to eat exactly 1 Apples in a day? | |
[2] |
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 exactly 2? | |
[2] |