Roll 1 6-sided die.
What is the probability of getting a number smaller than or equal to 4? | |
[1] | We asked a group of people how many Pillows they eat in a day. Here are the results:
What fraction of the people eat exactly 4 Pillows in a day? | |
[2] |
Roll 144 6-sided dice.
How many times would you expect to get more than 2? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.3 | 0.3 | | yellow | red | pink | | 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:
| | 0.45 | 0.15 | 0.25 | 0.15 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4? | |
[1] | A bag has 6 balls with number 3 and 4 balls with a number 5. You take out 1 ball.
What is the probability of getting the ball with the number 3? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.3 | 0.4 | | pink | yellow | blue | | Color |
How many yellow balls were in the bag? | |
[1] |
A group of people were timed running 100m. Here are the results:
people
| |
| Time | 13 | 3 | | 14 | 4 | | 15 | 1 | | 16 | 4 | | 17 | 2 |
What fraction of the people run 100m in exactly 16s?
| |
[2] | A bag has 4 red balls and 2 blue balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[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 | 0.1 | 0.25 | 0.1 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] | A group of humans were timed running 100m. Here are the results:
| Time | humans | | 13 | 3 | | 14 | 3 | | 15 | 6 | | 16 | 2 | | 17 | 0 |
What fraction of the humans run 100m in exactly 13s?
| |
[2] |
A bag has 6 red balls and 3 blue balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.1 | 0.6 | | green | red | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it being green or yellow? | |
[1] |
Roll 12 6-sided dice.
How many times would you expect to get less than or equal to 1? | |
[1] | Roll 90 6-sided dice.
How many times would you expect to get an even 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:
| | 0.15 | 0.05 | 0.15 | 0.65 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 and smaller than 5? | |
[1] |