There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.5 | 0.2 | | yellow | purple | orange | | Color |
How many yellow 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:
| | 0.25 | 0.1 | 0.15 | 0.1 | 0.4 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 1? | |
[1] |
A bag has 6 balls with number 6 and 6 balls with a number 5. You take out 1 ball.
What is the probability of getting the ball with the number 6? | |
[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:
| | 0.5 | 0.25 | 0.1 | 0.15 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 1? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.4 | 0.6 | | red | purple | | Color |
Probability of Type
| | 0.7 | 0.3 | | sedan | wagon | | Type |
What is the probability of a car being a purple sedan? | |
[2] | The weather forecast says that the chances of rain are 70%. The chance of remembering your umbrella is 60%. Your chance of being outside today are 90%.
What is the probability of getting wet today? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.7 | 0.2 | 0.1 | | red | yellow | green | | Color |
If you choose a random ball from the bag, what is the probability of it being red? | |
[1] |
A group of people did a math test and here are their scores out of 5:
What is the probability of the people to score more than 3? | |
[2] | A bag has 4 balls with number 9 and 7 balls with a number 6. You take out 1 ball.
What is the probability of getting the ball with the number 9? | |
[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 or equal to 4? | |
[1] | A group of humans did a math test and here are their scores out of 5:
What is the probability of the humans to score more 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:
What is the probability of rolling 3 or 4? | |
[1] | | You shoot an arrow at a target. There is a 40% chance of scoring a 20 and a 10% chance of scoring a 30 and a 50% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |
Roll 30 6-sided dice.
How many times would you expect to get more than or equal to 6? | |
[1] | A group of kids did a math test and here are their scores out of 5:
What fraction of the kids score less than 0? | |
[2] |
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