A group of people were timed running 100m. Here are the results:
people
| | 3 | 5 | 2 | 5 | 4 | | 13 | 14 | 15 | 16 | 17 | | Time |
What is the probability of the people to run 100m in less than 13s?
| |
[2] | Roll 114 6-sided dice.
How many times would you expect to get anything except 5? | |
[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:
| | 0.05 | 0.25 | 0.2 | 0.1 | 0.4 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 2? | |
[1] | A group of people were timed running 100m. Here are the results:
| Time | people | | 13 | 2 | | 14 | 5 | | 15 | 0 | | 16 | 5 | | 17 | 0 |
What fraction of the people run 100m in exactly 17s?
| |
[2] |
Roll 18 6-sided dice.
How many times would you expect to get more than or equal to 6? | |
[1] | There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.2 | 0.6 | | orange | red | green | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange or green? | |
[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 | 0.05 | 0.25 | 0.15 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 and smaller than 5? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | yellow | purple | | Color |
Probability of Type
| | 0.2 | 0.8 | | sedan | wagon | | Type |
What is the probability of a car being a purple wagon? | |
[2] |
There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.5 | | | pink | blue | purple | | 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:
| | 0.2 | 0.25 | | 0.25 | 0.3 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 2 or 3? | |
[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 3 or 4? | |
[1] | A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score exactly 2? | |
[2] |
There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.2 | 0.2 | | orange | green | red | | Color |
How many red 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:
| | 0.3 | 0.25 | 0.1 | 0.2 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] |
A group of boys did a math test and here are their scores out of 5:
What is the probability of the boys to score more than 5? | |
[2] |