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:
| | 0.2 | 0.1 | 0.1 | 0.1 | 0.5 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3? | |
[1] | Roll 1 6-sided die.
What is the probability of getting a number smaller than 1? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.2 | 0.7 | | purple | orange | green | | Color |
How many green balls were in the bag? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.1 | 0.9 | | yellow | purple | | Color |
Probability of Type
| | 0.6 | 0.4 | | wagon | sedan | | Type |
What is the probability of a car being a yellow sedan? | |
[2] |
A group of humans were timed running 100m. Here are the results:
humans
| | 3 | 1 | 4 | 1 | 6 | | 13 | 14 | 15 | 16 | 17 | | Time |
What is the probability of the humans to run 100m in exactly 15s?
| |
[2] | We asked a group of girls how many Bananas they eat in a week. Here are the results:
What fraction of the girls eat exactly 0 Bananas in a week? | |
[2] |
Roll 126 6-sided dice.
How many times would you expect to get less than 5? | |
[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:
| | 0.2 | 0.1 | 0.2 | 0.2 | 0.3 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 and smaller than 4? | |
[1] |
A bag has 2 red balls and 9 blue balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting red for the last 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:
| | 0.1 | | 0.25 | 0.05 | 0.6 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 or smaller than 5? | |
[1] |
Flip 3 coins.
What is the probability of getting 3 heads? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.2 | 0.7 | | purple | orange | red | | Color |
If you choose a random ball from the bag, what is the probability of it being purple or orange? | |
[1] |
We asked a group of kids how many Sandwiches they eat in a month. Here are the results:
What fraction of the kids eat less than 1 Sandwiches in a month? | |
[2] | A bag has 3 balls with number 9 and 7 balls with a number 6. You take out 1 ball.
What is the probability of getting the ball with the number 9? | |
[1] |
There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.3 | 0.2 | | red | pink | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it being red or yellow? | |
[1] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.5 | | | orange | blue | purple | | Color |
How many orange balls were in the bag? | |
[1] |
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