Roll 114 6-sided dice.
How many times would you expect to get more than 4? | |
[1] | Roll 1 6-sided die.
What is the probability of getting a number bigger than 5? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.1 | 0.9 | | orange | purple | | Color |
Probability of Type
| | 0.3 | 0.7 | | sedan | wagon | | Type |
What is the probability of a car being a purple sedan? | |
[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 | 0.2 | 0.1 | 0.1 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | | 0.8 | | green | purple | pink | | Color |
How many purple balls were in the bag? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] |
There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.2 | 0.5 | | green | orange | red | | Color |
If you choose a random ball from the bag, what is the probability of it not being green or orange? | |
[1] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.1 | 0.3 | | orange | pink | green | | Color |
How many green balls were in the bag? | |
[1] |
A group of dogs did a math test and here are their scores out of 5:
What is the probability of the dogs to score less than 5? | |
[2] | Roll 150 6-sided dice.
How many times would you expect to get anything except 4? | |
[1] |
We asked a group of boys how many Bowls of Ramen they eat in a week. Here are the results:
| Bowls of Ramen | boys | | 0 | 2 | | 1 | 3 | | 2 | 0 | | 3 | 3 |
What fraction of the boys eat more than 2 Bowls of Ramen 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:
| | 0.2 | 0.25 | 0.05 | 0.25 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 1? | |
[1] |
The weather forecast says that the chances of rain are 80%. The chance of remembering your umbrella is 70%. Your chance of being outside today are 40%.
What is the probability of getting wet today? | |
[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 3 or smaller than 4? | |
[1] |
Roll 108 6-sided dice.
How many times would you expect to get more than 5? | |
[1] | There are 20 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 being purple or pink? | |
[1] |
Flip a coin 6 times.
Each time a head comes up you win $1 and with each tail you lose $1. It costs $9 to play (paid once). How much money would you expect to make altogether? | |
[1] |