Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.2 | 0.8 | | blue | green | | Color |
Probability of Type
| | 1 | | | sedan | wagon | | Type |
What is the probability of a car being a green sedan? | |
[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:
What is the probability of rolling a number that is bigger than or equal to 1? | |
[1] |
We asked a group of boys how many Oranges they eat in a day. Here are the results:
What is the probability of the boys to eat exactly 4 Oranges in a day? | |
[2] | A bag has 5 red balls and 4 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 100 balls in a bag. This is is the probability distribution of their color:
| | 0.9 | 0.1 | | | blue | purple | green | | Color |
How many purple balls were in the bag? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.7 | 0.3 | | pink | purple | | Color |
Probability of Type
| | 0.8 | 0.2 | | wagon | sedan | | Type |
What is the probability of a car being a purple sedan? | |
[2] |
Roll 108 6-sided dice.
How many times would you expect to get less than or equal to 4? | |
[1] | Roll 96 6-sided dice.
How many times would you expect to get more than or equal to 4? | |
[1] |
The weather forecast says that the chances of rain are 40%. Your chance of being outside today is 80%. You flip a coin to decide whether to take your umbrella.
What is the probability of getting wet today? | |
[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:
| | 0.3 | 0.1 | 0.2 | 0.25 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 2? | |
[1] |
Roll 6 6-sided dice.
How many times would you expect to get an odd number? | |
[1] | A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score less than 0? | |
[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:
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | orange | yellow | | Color |
Probability of Type
| | 1 | | sedan | wagon | | Type |
What is the probability of a car being a yellow sedan? | |
[2] |
A bag has 4 red balls, 2 blue balls and 9 yellow balls. You take out a yellow ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] |