There are 20 balls in a bag. This is is the probability distribution of their 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:
What is the probability of rolling a number that is smaller than 3? | |
[1] |
A group of kids did a math test and here are their scores out of 5:
What is the probability of the kids to score less than 0? | |
[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:
| | 0.25 | 0.1 | 0.15 | 0.15 | 0.35 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 or smaller than 3? | |
[1] |
A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in exactly 15s?
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[2] | There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.5 | | orange | purple | pink | | Color |
How many purple balls were in the bag? | |
[1] |
There are 12 balls in a bag. This is is the probability distribution of their 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:
| | 0.1 | 0.25 | 0.05 | 0.6 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 and smaller than 4? | |
[1] |
A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in less than 14s?
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[2] | A wheel has 14 sections, each a number on it from 1 to 14. If you spin an even number you win that amount of dollars, if you spin an odd number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] |
We asked a group of people how many Strawberries they eat in a day. Here are the results:
people
| | 3 | 2 | 2 | | 0 | 1 | 2 | 3 | | Strawberries |
What fraction of the people eat exactly 1 Strawberries in a day? | |
[2] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than 5? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.3 | 0.3 | | pink | green | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it being yellow? | |
[1] | Roll 84 6-sided dice.
How many times would you expect to get more than or equal to 1? | |
[1] |
Flip a coin 10 times.
How many times would you expect to get Tails? | |
[1] | The weather forecast says that the chances of rain are 30%. Your chance of being outside today is 90%. The chance of remembering your umbrella is 60%.
What is the probability of getting wet today? | |
[1] |
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