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 | 0.05 | 0.05 | 0.25 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 3 or 4? | |
[1] | We asked a group of humans how many Bananas they eat in a month. Here are the results:
What fraction of the humans eat exactly 3 Bananas in a month? | |
[2] |
Flip a coin 12 times.
Each time a Head comes up you win $1. How much money would you expect to make altogether? | |
[1] | Flip a coin 12 times.
Each time a Head comes up you win $3. It costs $22 to play (paid once). How much money would you expect to make altogether? | |
[1] |
A bag has 2 balls with number 6 and 6 balls with a number 7. You take out 1 ball.
What is the probability of getting the ball with the number 7? | |
[1] | An obstacle course has 1 Fences and 2 Ditches. You have a 50% 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] |
Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are less than 3? | |
[1] | A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in less than 17s?
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[2] |
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 less than 5? | |
[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:
| | 0.5 | 0.25 | 0.05 | 0.15 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 2 or 5? | |
[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 group of people did a math test and here are their scores out of 5:
What is the probability of the people to score exactly 3? | |
[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:
| | 0.1 | | 0.2 | 0.25 | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 5 and smaller than 3? | |
[1] | An obstacle course has 1 Fences and 2 Ditches. You have a 100% chance of clearing a Fence and a 50% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] |
A group of dogs did a math test and here are their scores out of 5:
What is the probability of the dogs to score exactly 1? | |
[2] |