There are 10 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] | An obstacle course has 2 Fences and 1 Ditches. You have a 80% chance of clearing a Fence and a 90% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.5 | 0.5 | | yellow | red | | Color |
Probability of Type
| | 1 | | wagon | sedan | | Type |
What is the probability of a car being a yellow wagon? | |
[2] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than 5? | |
[1] |
A group of kids did a math test and here are their scores out of 5:
What is the probability of the kids to score exactly 1? | |
[2] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than 2? | |
[1] |
A bag has 3 red balls, 6 green balls and 8 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:
| | 0.55 | 0.1 | 0.25 | 0.1 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 4 to 5? | |
[1] |
Roll 114 6-sided dice.
How many times would you expect to get a number more than 3? | |
[1] | There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.7 | 0.1 | 0.2 | | purple | pink | orange | | Color |
How many pink balls were in the bag? | |
[1] |
A bag has 6 red balls, 10 green balls and 4 blue balls. You take out 1 ball.
What is the probability of getting a red ball or a blue ball? | |
[1] | A group of girls did a math test and here are their scores out of 5:
What is the probability of the girls to score more than 5? | |
[2] |
A group of people were timed running 100m. Here are the results:
people
| |
| Time | 13 | 6 | | 14 | 6 | | 15 | 3 | | 16 | 5 | | 17 | 4 |
What is the probability of the people to run 100m in exactly 16s?
| |
[2] | Flip a coin 10 times.
Each time a Head comes up you win $3. It costs $18 to play (paid once). How much money would you expect to make altogether? | |
[1] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a number more than 5 and a tail? | |
[1] | There are 120 balls in a bag. This is is the probability distribution of their color:
How many orange balls were in the bag? | |
[1] |
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