A group of people were timed running 100m. Here are the results:
people
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| Time | 13 | 6 | | 14 | 4 | | 15 | 4 | | 16 | 6 | | 17 | 6 |
What fraction of the people run 100m in less than 15s?
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[2] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.4 | 0.3 | | blue | red | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it not being yellow? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in more than 14s?
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[2] | Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are more than 3? | |
[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 3 or 4? | |
[1] | There are 40 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] |
The weather forecast says that the chances of rain are 80%. Your chance of being outside today is 50%. The chance of remembering your umbrella is 60%.
What is the probability of getting wet today? | |
[1] | Roll 36 6-sided dice.
How many times would you expect to get an even number? | |
[1] |
Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are 1 or 4? | |
[1] | Flip 3 coins.
What is the probability of getting 3 tails? | |
[1] |
We asked a group of dogs how many Bananas they eat in a month. Here are the results:
What is the probability of the dogs to eat exactly 3 Bananas in a month? | |
[2] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than or equal to 5? | |
[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 | 0.15 | | 0.1 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller 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:
What is the probability of rolling a number that is bigger than 1? | |
[1] |
Roll 60 6-sided dice.
How many times would you expect to get less than or equal to 2? | |
[1] | The weather forecast says that the chances of rain are 30%. Your chance of being outside today is 70%. The chance of remembering your umbrella is 60%.
What is the probability of getting wet today? | |
[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:
| | 0.2 | 0.05 | 0.05 | 0.05 | 0.65 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 1? | |
[1] |