There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.3 | 0.4 | | orange | blue | green | | Color |
If you choose a random ball from the bag, what is the probability of it not being blue? | |
[1] | A bag has 2 balls with numbers from 4 to 5. You take out 1 ball.
What is the probability of NOT getting the ball with the number 3? | |
[1] |
A bag has 8 red balls and 3 blue balls. You take out 1 ball.
What is the probability of getting a red ball? | |
[1] | A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in more than 15s?
| |
[2] |
A group of people were timed running 100m. Here are the results:
people
| | 5 | 2 | 2 | 1 | 4 | | 13 | 14 | 15 | 16 | 17 | | Time |
What is the probability of the people to run 100m in exactly 15s?
| |
[2] | 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 less than 0? | |
[2] |
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 6? | |
[1] | A bag has 4 red balls and 2 blue balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] |
There are 25 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 boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in more than 13s?
| |
[2] |
A bag has 7 red balls and 10 blue balls. You take out 1 red ball, then another ball.
What is the probability of getting blue for the second ball? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it being red? | |
[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:
| | 0.15 | 0.2 | | 0.05 | 0.6 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 2 or 3? | |
[1] | A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in more than 13s?
| |
[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 smaller than or equal to 2? | |
[1] |