There are 30 balls in a bag. This is is the probability distribution of their color:
How many green balls were in the bag? | |
[1] | An obstacle course has 2 Fences and 1 Ditches. You have a 90% chance of clearing a Fence and a 80% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[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 4? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.1 | 0.9 | | orange | red | | Color |
Probability of Type
| | 0.4 | 0.6 | | wagon | sedan | | Type |
What is the probability of a car being a red 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 bigger than 3 and smaller than 1? | |
[1] | A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in exactly 17s?
| |
[2] |
There are 50 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | Roll a die 18 times.
How many times would you expect to get a 2? | |
[1] |
You flip a coin and roll a 8 sided die.
What is the probability of getting a 4 and a head? | |
[1] | We asked a group of people how many Pizzas they eat in a month. Here are the results:
What is the probability of the people to eat exactly 2 Pizzas in a month? | |
[2] |
There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.3 | 0.3 | | pink | red | green | | Color |
If you choose a random ball from the bag, what is the probability of it being green or pink? | |
[1] | There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.4 | | | orange | purple | green | | Color |
How many orange balls were in the bag? | |
[1] |
There are 100 balls in a bag. This is is the probability distribution of their color:
How many blue 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 exactly 0? | |
[2] |
A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in exactly 14s?
| |
[2] |