Roll 126 6-sided dice.
How many times would you expect to get a number more than 4? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] |
An obstacle course has 2 Fences and 1 Ditches. You have a 50% chance of clearing a Fence and a 50% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.5 | 0.3 | | purple | orange | red | | Color |
How many orange balls were in the bag? | |
[1] |
| You shoot an arrow at a target. There is a 40% chance of scoring a 20 and a 20% chance of scoring a 40 and a 40% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] | There are 40 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] |
The weather forecast says that the chances of rain are 20%. Your chance of being outside today is 90%. The chance of remembering your umbrella is 40%.
What is the probability of getting wet today? | |
[1] | Roll 2 6-sided dice.
You add the two numbers. What is the probability of getting 12? | |
[1] |
Roll 150 6-sided dice.
How many times would you expect to get more than or equal to 2? | |
[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:
| | 0.55 | 0.2 | 0.05 | 0.15 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 1? | |
[1] |
Flip 1 coin.
What is the probability of getting a head? | |
[1] | We asked a group of people how many Oranges they eat in a month. Here are the results:
What is the probability of the people to eat exactly 0 Oranges in a month? | |
[2] |
Roll 2 6-sided dice.
What is the probability of getting a 3 on both dice? | |
[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:
| | 0.45 | | 0.05 | 0.25 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 1 to 3? | |
[1] |
Roll 84 6-sided dice.
How many times would you expect to get more than or equal to 1? | |
[1] | There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.4 | 0.4 | | yellow | red | purple | | Color |
How many red balls were in the bag? | |
[1] |
A bag has 9 red balls and 3 blue balls. You take out 1 red ball, then another ball.
What is the probability of getting red for the second ball? | |
[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 | 0.2 | 0.25 | 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 4? | |
[1] |
The weather forecast says that the chances of rain are 50%. Your chance of being outside today is 90%. You flip a coin to decide whether to take your umbrella.
What is the probability of getting wet today? | |
[1] |