Roll 24 6-sided dice.
How many times would you expect to get more than 3? | |
[1] | A bag has 6 red balls and 4 blue balls. You take out 1 ball.
What is the probability of getting a blue 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:
| | 0.25 | | 0.2 | 0.2 | 0.35 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 4? | |
[1] | Roll 96 6-sided dice.
How many times would you expect to get less than 6? | |
[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 | 0.15 | 0.15 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 or smaller than 4? | |
[1] | You flip a coin and roll a 6 sided die.
What is the probability of getting a 2 or a 1 and a tail? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
How many blue 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:
| | 0.05 | 0.05 | 0.1 | | 0.8 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 1 or 3? | |
[1] |
A group of people did a math test and here are their scores out of 5:
What fraction of the people score exactly 1? | |
[2] | A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in exactly 16s?
| |
[2] |
Roll 30 6-sided dice.
How many times would you expect to get anything except 4? | |
[1] | Roll 90 6-sided dice.
How many times would you expect to get less than 4? | |
[1] |
There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.5 | 0.4 | | blue | orange | pink | | Color |
If you choose a random ball from the bag, what is the probability of it being pink or orange? | |
[1] | We asked a group of girls how many Sandwiches they eat in a week. Here are the results:
What fraction of the girls eat more than 2 Sandwiches in a week? | |
[2] |
You roll a 7 sided die and a 4 sided die.
What is the probability of getting 2 on both dice? | |
[1] | Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are less than 5? | |
[1] |
There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.5 | | blue | orange | purple | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange or purple? | |
[1] |