Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.1 | 0.9 | | red | pink | | Color |
Probability of Type
| | 1 | | sedan | wagon | | Type |
What is the probability of a car being a red sedan? | |
[2] | We asked a group of dogs how many Apples they eat in a day. Here are the results:
What fraction of the dogs eat more than 4 Apples in a day? | |
[2] |
There are 18 balls in a bag. This is is the probability distribution of their color:
How many orange balls were in the bag? | |
[1] | A bag has 8 red balls and 5 blue balls. You take out 1 blue ball, then another ball.
What is the probability of getting blue for the second ball? | |
[1] |
There are 12 balls in a bag. This is is the probability distribution of their color:
| | 0.75 | 0.25 | | purple | orange | | Color |
How many orange balls were in the bag? | |
[1] | Roll 138 6-sided dice.
How many times would you expect to get more than 5? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.3 | 0.4 | | orange | pink | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it being pink or yellow? | |
[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 | 0.25 | | 0.15 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 5 and smaller than 2? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | yellow | orange | | Color |
Probability of Type
| | 0.4 | 0.6 | | sedan | wagon | | Type |
What is the probability of a car being a yellow sedan? | |
[2] | | You shoot an arrow at a target. You will either score 20 (50% chance), 40 (20% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] |
A group of people were timed running 100m. Here are the results:
What fraction of the people run 100m in more than 14s?
| |
[2] | | You shoot an arrow at a target. There is a 10% chance of scoring a 20 and a 30% chance of scoring a 30 and a 60% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | yellow | blue | | Color |
Probability of Type
| | 1 | | sedan | wagon | | Type |
What is the probability of a car being a blue sedan? | |
[2] | There are 50 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] |
Roll 54 6-sided dice.
How many times would you expect to get more than or equal to 1? | |
[1] |