There are 120 balls in a bag. This is is the probability distribution of their color:
How many orange 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:
| | 0.2 | 0.15 | 0.05 | 0.05 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 2? | |
[1] |
A bag has 3 balls with number 3 and 3 balls with a number 2. You take out 1 ball.
What is the probability of getting the ball with the number 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 1 or 3? | |
[1] |
We asked a group of humans how many Bananas they eat in a week. Here are the results:
What fraction of the humans eat exactly 1 Bananas in a week? | |
[2] | A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in exactly 17s?
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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:
| | 0.65 | 0.1 | 0.2 | 0.05 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger 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:
| | 0.05 | 0.2 | 0.05 | | 0.7 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 2 to 5? | |
[1] |
The weather forecast says that the chances of rain are 30%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 60%.
What is the probability of getting wet today? | |
[1] | A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in exactly 15s?
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[2] |
A wheel has 10 sections, each a number on it from 1 to 10. If you spin an odd number you win that amount of dollars, if you spin an even number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] | There are 44 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] |
We asked a group of humans how many Sandwiches they eat in a day. Here are the results:
What is the probability of the humans to eat less than 1 Sandwiches in a day? | |
[2] | 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 2? | |
[1] |
Roll a die 102 times.
How many times would you expect to get a 4? | |
[1] | You roll a 5 sided die and a 10 sided die.
What is the probability of getting 4 on both dice? | |
[1] |
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