A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in less than 13s?
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[2] | A group of humans were timed running 100m. Here are the results:
What is the probability of the humans to run 100m in exactly 15s?
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[2] |
There are 36 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[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 4 and smaller than 3? | |
[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] | A wheel has 6 purple sections and 3 red sections.
What is the probability of getting red? | |
[1] |
Roll 78 6-sided dice.
How many times would you expect to get less than or equal to 4? | |
[1] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.1 | 0.6 | | orange | blue | pink | | Color |
How many orange balls were in the bag? | |
[1] |
A bag has 6 balls with numbers from 4 to 9. You take out 1 ball.
What is the probability of NOT getting the ball with the number 4? | |
[1] | Roll 36 6-sided dice.
How many times would you expect to get less than 5? | |
[1] |
A bag has 7 balls with numbers from 1 to 7. You take out 1 ball.
What is the probability of getting a ball with a number less than 0? | |
[1] | The weather forecast says that the chances of rain are 70%. Your chance of being outside today is 80%. The chance of remembering your umbrella is 70%.
What is the probability of getting wet today? | |
[1] |
A bag has 5 red balls and 4 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:
| | 0.6 | 0.15 | 0.2 | 0.05 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 5 and smaller than 4? | |
[1] |
A wheel has 5 green sections and 5 orange sections.
What is the probability of getting orange? | |
[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:
| | 0.1 | 0.15 | 0.15 | 0.1 | 0.5 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 4? | |
[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 2 or 5? | |
[1] | There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.5 | 0.1 | | green | blue | red | | Color |
If you choose a random ball from the bag, what is the probability of it being red or blue? | |
[1] |
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