There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.9 | | 0.1 | | orange | blue | pink | | Color |
If you choose a random ball from the bag, what is the probability of it being blue or orange? | |
[1] | A wheel has 13 sections, each a number on it from 1 to 13. If you spin an even number you win that amount of dollars, if you spin an odd number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] |
Roll 48 6-sided dice.
How many times would you expect to get more than or equal to 3? | |
[1] | A group of humans were timed running 100m. Here are the results:
What fraction of the humans run 100m in more than 14s?
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[2] |
We asked a group of people how many Sandwiches they eat in a day. Here are the results:
What fraction of the people eat less than 3 Sandwiches in a day? | |
[2] | A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in less than 15s?
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[2] |
There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.4 | 0.4 | | yellow | red | purple | | Color |
How many purple balls were in the bag? | |
[1] | A bag has 4 balls with numbers from 2 to 5. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 5? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | red | pink | | Color |
Probability of Type
| | 0.9 | 0.1 | | wagon | sedan | | Type |
What is the probability of a car being a pink wagon? | |
[2] | 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 a number from 3 to 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:
| | 0.1 | 0.1 | 0.05 | 0.75 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 4 to 5? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.3 | 0.4 | | red | yellow | pink | | Color |
If you choose a random ball from the bag, what is the probability of it not being yellow? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.3 | 0.7 | | purple | red | | Color |
Probability of Type
| | 1 | | | sedan | wagon | | Type |
What is the probability of a car being a red wagon? | |
[2] | 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:
| | 0.5 | 0.1 | 0.15 | 0.2 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 4? | |
[1] |
Roll 36 6-sided dice.
How many times would you expect to get less than 1? | |
[1] |