There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.5 | 0.2 | | yellow | blue | pink | | Color |
How many yellow balls were in the bag? | |
[1] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.7 | 0.2 | 0.1 | | blue | orange | yellow | | Color |
How many blue balls were in the bag? | |
[1] |
A wheel has 2 pink sections and 7 purple sections.
What is the probability of getting pink? | |
[1] | Roll 90 6-sided dice.
How many times would you expect to get a number less than 0? | |
[1] |
We asked a group of girls how many Pizzas they eat in a day. Here are the results:
What is the probability of the girls to eat less than 3 Pizzas in a day? | |
[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:
| | 0.75 | | 0.05 | 0.15 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 or smaller than 3? | |
[1] |
Roll 102 6-sided dice.
How many times would you expect to get an odd number? | |
[1] | A group of boys did a math test and here are their scores out of 5:
What is the probability of the boys to score more than 0? | |
[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 4 to 5? | |
[1] | An obstacle course has 2 Fences and 1 Ditches. You have a 100% chance of clearing a Fence and a 80% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] |
A bag has 7 balls with numbers from 2 to 8. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 9? | |
[1] | A group of dogs were timed running 100m. Here are the results:
What is the probability of the dogs to run 100m in less than 14s?
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[2] |
We asked a group of people how many Bananas they eat in a day. Here are the results:
What fraction of the people eat more than 2 Bananas in a day? | |
[2] | A group of boys did a math test and here are their scores out of 5:
What fraction of the boys score less than 5? | |
[2] |
A bag has 6 balls with numbers from 3 to 8. You take out 1 ball.
What is the probability of getting the ball with the number 2? | |
[1] |