There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.2 | 0.3 | | pink | orange | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it not being pink? | |
[1] | A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in exactly 13s?
| |
[2] |
| You shoot an arrow at a target. There is a 30% chance of scoring a 10 and a 20% chance of scoring a 40 and a 50% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] | A bag has 6 red balls, 6 green balls and 3 blue balls. You take out 1 ball.
What is the probability of getting a blue ball or a red 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:
| | 0.45 | 0.15 | | 0.25 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 or smaller than 4? | |
[1] | Roll 30 6-sided dice.
How many times would you expect to get an ugly number? | |
[1] |
There are 16 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] | You roll a 9 sided die and a 6 sided die.
What is the probability of getting 1 on both dice? | |
[1] |
We asked a group of humans how many Sandwiches they eat in a month. Here are the results:
What fraction of the humans eat more than 2 Sandwiches 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:
| | 0.2 | 0.15 | | 0.05 | 0.6 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] |
There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.1 | 0.4 | | blue | pink | green | | Color |
If you choose a random ball from the bag, what is the probability of it being pink? | |
[1] | A bag has 2 balls with numbers from 5 to 6. You take out 1 ball.
What is the probability of getting a ball with an odd number? | |
[1] |
There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.5 | 0.4 | | yellow | orange | pink | | Color |
If you choose a random ball from the bag, what is the probability of it not being pink or orange? | |
[1] | We asked a group of dogs how many Icecreams they eat in a month. Here are the results:
What is the probability of the dogs to eat exactly 3 Icecreams in a month? | |
[2] |
The weather forecast says that the chances of rain are 20%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 60%.
What is the probability of getting wet today? | |
[1] | Flip a coin 6 times.
Each time a head comes up you win $4 and with each tail you lose $1. How much money would you expect to make altogether? | |
[1] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.4 | | | yellow | green | pink | | Color |
How many yellow balls were in the bag? | |
[1] |