A bag has 3 red balls, 3 green balls and 9 blue balls. You take out 1 ball.
What is the probability of getting a red ball? | |
[1] | A wheel has 3 pink sections and 2 green sections.
What is the probability of getting green? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in exactly 16s?
| |
[2] | Flip 2 coins.
What is the probability of getting 2 tails? | |
[1] |
There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | | 0.8 | | yellow | blue | purple | | Color |
How many yellow balls were in the bag? | |
[1] | You flip a coin and roll a 6 sided die.
What is the probability of getting a 2 or a 5 and a tail? | |
[1] |
Roll 42 6-sided dice.
How many times would you expect to get anything except 6? | |
[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 | | sedan | wagon | | Type |
What is the probability of a car being a pink sedan? | |
[2] |
We asked a group of dogs how many Peaches they eat in a day. Here are the results:
What is the probability of the dogs to eat less than 4 Peaches in a day? | |
[2] | We asked a group of kids how many Pillows they eat in a month. Here are the results:
What fraction of the kids eat exactly 0 Pillows in a month? | |
[2] |
We asked a group of kids how many Bananas they eat in a month. Here are the results:
What is the probability of the kids to eat exactly 0 Bananas in a month? | |
[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:
| | 0.65 | 0.05 | 0.1 | 0.2 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 2 or 4? | |
[1] |
A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in more than 16s?
| |
[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:
| | 0.2 | 0.2 | 0.2 | 0.05 | 0.35 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 5 and smaller than 4? | |
[1] |
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