There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.3 | 0.2 | | red | orange | yellow | | Color |
How many red 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 2 or 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:
| | 0.2 | 0.1 | 0.05 | 0.1 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 or smaller than 4? | |
[1] | We asked a group of boys how many Strawberries they eat in a month. Here are the results:
What fraction of the boys eat exactly 1 Strawberries in a month? | |
[2] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a 1 and a tail? | |
[1] | | You shoot an arrow at a target. There is a 60% chance of scoring a 20, a 20% chance of scoring a 60, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
We asked a group of kids how many Chocolates they eat in a day. Here are the results:
What fraction of the kids eat exactly 3 Chocolates in a day? | |
[2] | | You shoot an arrow at a target. There is a 80% chance of scoring a 10 and a 20% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[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 | 0.25 | 0.15 | 0.1 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 2? | |
[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 | 0.05 | | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 2 to 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 a number that is bigger than 4? | |
[1] | An obstacle course has 2 Fences and 1 Ditches. You have a 90% chance of clearing a Fence and a 80% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] |
A wheel has 3 sections, each a different color.
What is the probability of getting purple? | |
[1] | We asked a group of people how many Chocolates they eat in a week. Here are the results:
What fraction of the people eat less than 4 Chocolates in a week? | |
[2] |
A bag has 5 balls with numbers from 1 to 5. You take out 1 ball.
What is the probability of getting a ball with a number more than 0? | |
[1] | There are 5 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] |
Roll 1 6-sided die.
What is the probability of getting a number bigger than 2? | |
[1] |