There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | | 0.4 | | yellow | purple | pink | | Color |
How many purple balls were in the bag? | |
[1] | A bag has 2 red balls and 4 blue balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] |
There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.3 | 0.3 | | yellow | orange | pink | | Color |
How many yellow balls were in the bag? | |
[1] | A bag has 10 red balls, 8 blue balls and 4 yellow balls. You take out a red ball, then a yellow ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] |
A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in exactly 14s?
| |
[2] | | A bag has 8 balls with number 5 and 6 balls with a number 9. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.9 | 0.1 | | yellow | purple | | Color |
Probability of Type
| | 0.8 | 0.2 | | wagon | sedan | | Type |
What is the probability of a car being a yellow wagon? | |
[2] | A bag has 9 balls with number 1 and 7 balls with a number 4. You take out 1 ball.
What is the probability of getting the ball with the number 4? | |
[1] |
A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score more than 3? | |
[2] | We asked a group of humans how many Strawberries they eat in a day. Here are the results:
humans
| |
| Strawberries | 0 | 3 | | 1 | 6 | | 2 | 1 | | 3 | |
What fraction of the humans eat more than 2 Strawberries in a day? | |
[2] |
A group of dogs were timed running 100m. Here are the results:
What is the probability of the dogs to run 100m in exactly 16s?
| |
[2] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.3 | 0.3 | | green | purple | blue | | Color |
If you choose a random ball from the bag, what is the probability of it not being blue or purple? | |
[1] |
There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.1 | 0.5 | | orange | pink | red | | Color |
If you choose a random ball from the bag, what is the probability of it being orange or pink? | |
[1] | An obstacle course has 2 Fences and 1 Ditches. You have a 100% 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] |
Flip 7 coins.
What is the probability of getting 7 tails? | |
[1] |