There are 4 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] | The weather forecast says that the chances of rain are 70%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 40%.
What is the probability of getting wet today? | |
[1] |
There are 10 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] | The weather forecast says that the chances of rain are 50%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 90%.
What is the probability of getting wet today? | |
[1] |
A bag has 8 balls with number 5 and 9 balls with a number 4. You take out 1 ball.
What is the probability of getting the ball with the number 4? | |
[1] | We asked a group of dogs how many Pizzas they eat in a week. Here are the results:
What fraction of the dogs eat more than 3 Pizzas in a week? | |
[2] |
A wheel has 8 purple sections and 4 blue sections.
What is the probability of getting purple? | |
[1] | A bag has 7 balls with numbers from 3 to 9. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 7? | |
[1] |
There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.5 | 0.4 | | orange | pink | yellow | | Color |
How many yellow balls were in the bag? | |
[1] | We asked a group of humans how many Peaches they eat in a week. Here are the results:
What fraction of the humans eat exactly 3 Peaches in a week? | |
[2] |
The weather forecast says that the chances of rain are 50%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 70%.
What is the probability of getting wet today? | |
[1] | | You shoot an arrow at a target. There is a 60% chance of scoring a 30, a 10% chance of scoring a 40, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
Roll 72 6-sided dice.
How many times would you expect to get anything except 6? | |
[1] | We asked a group of people how many Pizzas they eat in a week. Here are the results:
What fraction of the people eat exactly 2 Pizzas in a week? | |
[2] |
A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in exactly 13s?
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[2] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.2 | 0.5 | | yellow | purple | blue | | Color |
How many purple balls were in the bag? | |
[1] |
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