Roll 1 6-sided die.
What is the probability of getting a number smaller than 1? | |
[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 | 0.2 | 0.25 | 0.25 | 0.1 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] |
A wheel has 5 green sections and 8 orange sections.
What is the probability of getting orange? | |
[1] | A group of humans were timed running 100m. Here are the results:
humans
| |
| Time | 13 | 4 | | 14 | 4 | | 15 | 5 | | 16 | 2 | | 17 | 5 |
What fraction of the humans run 100m in less than 13s?
| |
[2] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | red | orange | | Color |
Probability of Type
| | 1 | | wagon | sedan | | Type |
What is the probability of a car being a orange sedan? | |
[2] | A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in exactly 16s?
| |
[2] |
A bag has 9 red balls and 3 blue balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | You flip a coin and roll a 9 sided die.
What is the probability of getting a 4 and a head? | |
[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:
| | 0.55 | 0.15 | 0.2 | 0.1 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 4? | |
[1] | | You shoot an arrow at a target. There is a 90% chance of scoring a 30 and a 10% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[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:
| | 0.05 | 0.05 | | 0.15 | 0.75 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] | A group of people did a math test and here are their scores out of 5:
What fraction of the people score exactly 1? | |
[2] |
We asked a group of people how many Pillows they eat in a day. Here are the results:
What is the probability of the people to eat exactly 3 Pillows in a day? | |
[2] | The weather forecast says that the chances of rain are 30%. Your chance of being outside today is 50%. The chance of remembering your umbrella is 70%.
What is the probability of getting wet today? | |
[1] |
A bag has 3 red balls, 10 blue balls and 5 yellow balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting yellow for the last ball? | |
[1] |