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:
| | 0.35 | 0.25 | 0.2 | | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2? | |
[1] | Flip 2 coins.
What is the probability of getting a head and a tail? | |
[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 smaller than or equal to 4? | |
[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:
| | 0.15 | 0.2 | 0.2 | 0.2 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 5 and smaller than 4? | |
[1] |
We asked a group of boys how many Pillows they eat in a day. Here are the results:
What fraction of the boys eat less than 2 Pillows in a day? | |
[2] | There are 22 balls in a bag. This is is the probability distribution of their color:
How many green 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:
| | 0.4 | 0.15 | 0.2 | 0.05 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 2 or 5? | |
[1] | We asked a group of girls how many Peaches they eat in a week. Here are the results:
What is the probability of the girls to eat less than 2 Peaches in a week? | |
[2] |
There are 70 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.5 | 0.4 | | blue | red | pink | | Color |
How many red balls were in the bag? | |
[1] |
An obstacle course has 1 Fences and 1 Ditches. You have a 80% chance of clearing a Fence and a 100% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[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 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 | 0.05 | 0.25 | 0.15 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 1? | |
[1] | A group of dogs did a math test and here are their scores out of 5:
What fraction of the dogs score less than 1? | |
[2] |
A bag has 4 balls with numbers from 5 to 8. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 5? | |
[1] | The chances of feeling like icecream are 70%. The chances of being near an icecream store are 40%. There is a 20% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
| You shoot an arrow at a target. You will either score 20 (50% chance), 30 (10% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] |