There are 100 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] | A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in exactly 15s?
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[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:
| | 0.7 | 0.05 | | 0.15 | 0.1 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 4? | |
[1] | Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are more than 3? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | A wheel has 10 sections, each with a different reward.
What is the probability of getting a Pocky? | |
[1] |
A bag has 2 balls with numbers from 3 to 4. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 4? | |
[1] | Roll 114 6-sided dice.
How many times would you expect to get anything except 4? | |
[1] |
There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.2 | 0.3 | | green | orange | purple | | Color |
How many green balls were in the bag? | |
[1] | A bag has 4 red balls and 5 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] |
Roll 42 6-sided dice.
How many times would you expect to get less than 1? | |
[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:
| | 0.45 | 0.05 | 0.2 | 0.25 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 3? | |
[1] |
A bag has 9 balls with numbers from 3 to 11. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 11? | |
[1] | We asked a group of girls how many Sandwiches they eat in a week. Here are the results:
What is the probability of the girls to eat exactly 3 Sandwiches in a week? | |
[2] |
A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score more than 5? | |
[2] | There are 25 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] |
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 2? | |
[1] |