There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.5 | | blue | pink | orange | | Color |
How many blue balls were in the bag? | |
[1] | The chances of feeling like icecream are 90%. The chances of being near an icecream store are 50%. There is a 20% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.5 | 0.2 | | purple | yellow | blue | | Color |
How many blue balls were in the bag? | |
[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 2 or 3? | |
[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 less than 4? | |
[2] | A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in exactly 15s?
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[2] |
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 more than 5? | |
[2] | Roll 1 6-sided die.
What is the probability of NOT getting a 4? | |
[1] |
A group of people were timed running 100m. Here are the results:
What is the probability of the people to run 100m in less than 17s?
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[2] | An obstacle course has 2 Fences and 1 Ditches. You have a 50% 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] |
You flip a coin and roll a 3 sided die.
What is the probability of getting a 5 and a tail? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | orange | pink | | Color |
Probability of Type
| | 0.6 | 0.4 | | sedan | wagon | | Type |
What is the probability of a car being a pink wagon? | |
[2] |
Flip a coin 14 times.
Each time a Head comes up you win $4. How much money would you expect to make altogether? | |
[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 3? | |
[2] |
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