You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 4? | |
[1] | A bag has 4 balls with number 2 and 5 balls with a number 7. You take out 1 ball.
What is the probability of getting the ball with the number 2? | |
[1] |
There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.9 | 0.1 | | | purple | yellow | orange | | Color |
How many orange balls were in the bag? | |
[1] | | A bag has 4 balls with number 2 and 2 balls with a number 9. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.2 | 0.4 | | purple | orange | pink | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange? | |
[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 | 0.1 | 0.1 | | 0.75 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 and smaller than 2? | |
[1] |
A bag has 2 balls with numbers from 1 to 2. You take out 1 ball.
What is the probability of getting a ball with an odd number? | |
[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:
| | 0.65 | 0.05 | 0.05 | 0.2 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 2 or 3? | |
[1] |
Roll 24 6-sided dice.
How many times would you expect to get anything except 6? | |
[1] | There are 80 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it being purple or orange? | |
[1] |
| A bag has 8 balls with number 4 and 9 balls with a number 4. What will be the average of the numbers of the balls taken out of 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 | 0.25 | | 0.15 | 0.4 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1? | |
[1] |
We asked a group of kids how many Peaches they eat in a month. Here are the results:
What is the probability of the kids to eat exactly 3 Peaches in a month? | |
[2] | A bag has 5 balls with numbers from 2 to 6. You take out 1 ball.
What is the probability of NOT getting the ball with the number 7? | |
[1] |
Flip a coin 4 times.
Each time a head comes up you win $1 and with each tail you lose $4. It costs $4 to play (paid once). How much money would you expect to make altogether? | |
[1] | A group of humans were timed running 100m. Here are the results:
humans
| | 5 | 4 | 3 | 1 | 2 | | 13 | 14 | 15 | 16 | 17 | | Time |
What fraction of the humans run 100m in less than 16s?
| |
[2] |
There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.2 | 0.5 | | yellow | red | purple | | Color |
How many red balls were in the bag? | |
[1] | Flip a coin 4 times.
Each time a head comes up you win $4 and with each tail you lose $1. It costs $6 to play (paid once). How much money would you expect to make altogether? | |
[1] |
|