There are 24 balls in a bag. This is is the probability distribution of their color:
How many green balls were in the bag? | |
[1] | Flip a coin 4 times.
Each time a Tail comes up you win $2. How much money would you expect to make altogether? | |
[1] |
Flip a coin 2 times.
Each time a Head comes up you win $3. How much money would you expect to make altogether? | |
[1] | Flip 1 coin.
What is the probability of getting a tail? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.5 | 0.5 | | red | orange | | Color |
Probability of Type
| | 0.7 | 0.3 | | wagon | sedan | | Type |
What is the probability of a car being a red wagon? | |
[2] | A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in exactly 15s?
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[2] |
The chances of feeling like icecream are 50%. The chances of being near an icecream store are 40%. There is a 30% chance that you lost all your money.
What is the probability of having icecream? | |
[1] | Flip a coin 6 times.
Each time a head comes up you win $4 and with each tail you lose $4. How much money would you expect to make altogether? | |
[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:
| | 0.45 | 0.15 | 0.15 | 0.25 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 4? | |
[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:
| | 0.25 | 0.05 | 0.1 | 0.15 | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4? | |
[1] |
A bag has 10 balls with numbers from 3 to 12. You take out 1 ball.
What is the probability of getting the ball with the number 3? | |
[1] | A bag has 5 balls with numbers from 2 to 6. You take out 1 ball.
What is the probability of NOT getting the ball with the number 1? | |
[1] |
A group of people were timed running 100m. Here are the results:
people
| |
| Time | 13 | 6 | | 14 | 1 | | 15 | 2 | | 16 | 6 | | 17 | 2 |
What is the probability of the people to run 100m in more than 15s?
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[2] | There are 44 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] |
We asked a group of girls how many Oranges they eat in a week. Here are the results:
What is the probability of the girls to eat less than 1 Oranges in a week? | |
[2] | A wheel has 14 sections, 2 of each color.
What is the probability of getting orange? | |
[1] |
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