You roll 2 3-sided dice
You add the two numbers. What is the probability of getting exactly 6? | |
[1] | A wheel has 7 purple sections and 2 blue sections.
What is the probability of getting purple? | |
[1] |
A bag has 4 balls with numbers from 4 to 7. You take out 1 ball.
What is the probability of NOT getting the ball with the number 8? | |
[1] | Flip 7 coins.
What is the probability of getting 7 tails? | |
[1] |
There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.2 | 0.4 | | yellow | red | orange | | Color |
How many red balls were in the bag? | |
[1] | Flip a coin 12 times.
Each time a Tail comes up you win $2. How much money would you expect to make altogether? | |
[1] |
An obstacle course has 1 Fences and 1 Ditches. You have a 100% chance of clearing a Fence and a 100% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[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 more than 5? | |
[2] |
We asked a group of people how many Burgers they eat in a month. Here are the results:
What is the probability of the people to eat more than 3 Burgers in a month? | |
[2] | The weather forecast says that the chances of rain are 40%. Your chance of being outside today is 50%. The chance of remembering your umbrella is 40%.
What is the probability of getting wet today? | |
[1] |
You roll a 6 sided die and a 9 sided die.
What is the probability of getting 7 on both dice? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | red | purple | | Color |
Probability of Type
| | 1 | | | 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:
| | 0.2 | 0.15 | 0.05 | 0.1 | 0.5 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 1 or 4? | |
[1] | Roll 18 6-sided dice.
How many times would you expect to get more than or equal to 5? | |
[1] |
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 2? | |
[1] | There are 55 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] |
| You shoot an arrow at a target. You will either score 20 (50% chance), 30 (10% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] |