Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.6 | 0.4 | | red | yellow | | Color |
Probability of Type
| | 1 | | | wagon | sedan | | Type |
What is the probability of a car being a red wagon? | |
[2] | A bag has 2 balls with number 3 and 6 balls with a number 2. You take out 1 ball.
What is the probability of getting the ball with the number 3? | |
[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 5? | |
[2] | An obstacle course has 2 Fences and 1 Ditches. You have a 50% chance of clearing a Fence and a 100% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[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:
| | 0.1 | 0.15 | 0.25 | 0.25 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3? | |
[1] | There are 80 balls in a bag. This is is the probability distribution of their color:
How many orange balls were in the bag? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.2 | 0.8 | | yellow | orange | | Color |
Probability of Type
| | 0.7 | 0.3 | | sedan | wagon | | Type |
What is the probability of a car being a orange sedan? | |
[2] | You roll a 10 sided die and a 6 sided die.
What is the probability of getting 1 on both dice? | |
[1] |
Roll 36 6-sided dice.
How many times would you expect to get an even number? | |
[1] | A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in exactly 17s?
| |
[2] |
Roll 30 6-sided dice.
How many times would you expect to get more than 2? | |
[1] | | A bag has 3 balls with number 6 and 3 balls with a number 6. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
A bag has 6 red balls and 2 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] | The weather forecast says that the chances of rain are 30%. The chance of remembering your umbrella is 60%. Your chance of being outside today are 50%.
What is the probability of getting wet today? | |
[1] |
We asked a group of dogs how many Bananas they eat in a week. Here are the results:
What is the probability of the dogs to eat exactly 2 Bananas in a week? | |
[2] |