Roll 6 6-sided dice.
How many times would you expect to get less than or equal to 2? | |
[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 | 0.25 | | 0.25 | 0.35 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3? | |
[1] |
We asked a group of people how many Burgers they eat in a day. Here are the results:
What fraction of the people eat less than 4 Burgers in a day? | |
[2] | Flip a coin 8 times.
Each time a head comes up you win $4 and with each tail you lose $3. How much money would you expect to make altogether? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | | 0.7 | | purple | blue | orange | | Color |
If you choose a random ball from the bag, what is the probability of it not being purple? | |
[1] | A group of dogs did a math test and here are their scores out of 5:
What fraction of the dogs score exactly 1? | |
[2] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.1 | 0.8 | | purple | green | pink | | Color |
How many pink balls were in the bag? | |
[1] | There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.7 | 0.1 | 0.2 | | orange | blue | green | | Color |
If you choose a random ball from the bag, what is the probability of it not being blue or green? | |
[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 2? | |
[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 less than 4? | |
[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:
| | 0.35 | 0.2 | 0.15 | 0.25 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 3? | |
[1] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.8 | 0.1 | 0.1 | | blue | orange | purple | | Color |
If you choose a random ball from the bag, what is the probability of it being orange or blue? | |
[1] |
Roll 108 6-sided dice.
How many times would you expect to get less than 4? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.7 | 0.3 | | | yellow | green | blue | | Color |
How many green balls were in the bag? | |
[1] |
Roll 78 6-sided dice.
How many times would you expect to get anything except 6? | |
[1] | | You shoot an arrow at a target. There is a 40% chance of scoring a 10 and a 20% chance of scoring a 40 and a 40% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] |
The weather forecast says that the chances of rain are 80%. Your chance of being outside today is 70%. The chance of remembering your umbrella is 60%.
What is the probability of getting wet today? | |
[1] |