A wheel has 7 green sections and 8 purple sections.
What is the probability of getting green? | |
[1] | A bag has 9 red balls, 6 blue balls and 5 yellow balls. You take out a yellow ball, then a blue ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] |
A wheel has 10 sections, each with a different reward.
What is the probability of getting a Pocky? | |
[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 | 0.25 | 0.1 | 0.05 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 2 to 3? | |
[1] |
Roll 1 6-sided die.
What is the probability of getting a number bigger than or equal to 2? | |
[1] | A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score less than 3? | |
[2] |
There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.3 | 0.4 | | green | yellow | pink | | Color |
If you choose a random ball from the bag, what is the probability of it being yellow? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | | 0.6 | | blue | orange | yellow | | Color |
How many blue 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 1 or 4? | |
[1] | Roll 24 6-sided dice.
How many times would you expect to get anything except 6? | |
[1] |
We asked a group of humans how many Pillows they eat in a day. Here are the results:
What is the probability of the humans to eat more than 1 Pillows in a day? | |
[2] | A group of people were timed running 100m. Here are the results:
| Time | people | | 13 | 6 | | 14 | 1 | | 15 | 1 | | 16 | 3 | | 17 | 2 |
What is the probability of the people to run 100m in exactly 17s?
| |
[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:
| | 0.6 | 0.15 | 0.1 | 0.05 | 0.1 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 2? | |
[1] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.5 | 0.1 | | green | pink | blue | | Color |
How many pink balls were in the bag? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in exactly 16s?
| |
[2] | Flip 1 coin.
What is the probability of getting a tail? | |
[1] |
|