A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in more than 15s?
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[2] | A wheel has 9 sections, each a number on it from 1 to 9. If you spin an even number you win that amount of dollars, if you spin an odd number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] |
We asked a group of girls how many Bowls of Ramen they eat in a week. Here are the results:
girls
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| Bowls of Ramen | 0 | 1 | | 1 | 3 | | 2 | 2 | | 3 | 3 |
What is the probability of the girls to eat less than 4 Bowls of Ramen in a week? | |
[2] | A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score less than 5? | |
[2] |
A wheel has 9 sections, each has a reward in dollars, from $1 through to $9.
What prize do we expect to get if we spin the wheel? | |
[1] | An obstacle course has 1 Fences and 1 Ditches. You have a 50% 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] |
Roll 108 6-sided dice.
How many times would you expect to get an odd number? | |
[1] | A group of people were timed running 100m. Here are the results:
people
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| Time | 13 | 2 | | 14 | 5 | | 15 | 1 | | 16 | 5 | | 17 | 1 |
What is the probability of the people to run 100m in exactly 14s?
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[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:
| | 0.35 | 0.15 | 0.2 | 0.25 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4? | |
[1] | The weather forecast says that the chances of rain are 20%. Your chance of being outside today is 40%. The chance of remembering your umbrella is 70%.
What is the probability of getting wet today? | |
[1] |
There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.1 | 0.4 | | red | yellow | pink | | Color |
If you choose a random ball from the bag, what is the probability of it being yellow? | |
[1] | There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.2 | 0.2 | | yellow | pink | red | | Color |
If you choose a random ball from the bag, what is the probability of it not being yellow? | |
[1] |
Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are less than 5? | |
[1] | We asked a group of kids how many Strawberries they eat in a week. Here are the results:
What fraction of the kids eat exactly 4 Strawberries in a week? | |
[2] |
The weather forecast says that the chances of rain are 90%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 90%.
What is the probability of getting wet today? | |
[1] |