A bag has 3 red balls and 9 blue balls. You take out a red 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:
What is the probability of rolling 1 or 4? | |
[1] |
There are 36 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.4 | 0.5 | | green | purple | blue | | Color |
How many blue balls were in the bag? | |
[1] |
A bag has 3 red balls and 10 blue balls. You take out 1 ball.
What is the probability of getting a red ball? | |
[1] | There are 2 balls in a bag. This is is the probability distribution of their color:
How many orange balls were in the bag? | |
[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:
What is the probability of rolling a number that is smaller than or equal to 2? | |
[1] | A wheel has 4 sections, 2 of each color.
What is the probability of getting orange? | |
[1] |
A bag has 3 balls with numbers from 1 to 3. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 0? | |
[1] | Roll 30 6-sided dice.
How many times would you expect to get more than 1? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | purple | pink | | Color |
Probability of Type
| | 0.9 | 0.1 | | wagon | sedan | | Type |
What is the probability of a car being a pink wagon? | |
[2] | Roll 102 6-sided dice.
How many times would you expect to get a number more than 0? | |
[1] |
A group of people were timed running 100m. Here are the results:
people
| |
| Time | 13 | 3 | | 14 | 1 | | 15 | 1 | | 16 | 5 | | 17 | 4 |
What is the probability of the people to run 100m in less than 16s?
| |
[2] | There are 40 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it being blue? | |
[1] |
Roll 54 6-sided dice.
How many times would you expect to get less than or equal to 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:
| | 0.25 | | 0.25 | 0.15 | 0.35 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 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:
What is the probability of rolling 4 or 5? | |
[1] | Roll 144 6-sided dice.
How many times would you expect to get more than 5? | |
[1] |
|