| You shoot an arrow at a target. You will either score 10 (10% chance), 30 (20% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.3 | 0.5 | | green | yellow | red | | Color |
If you choose a random ball from the bag, what is the probability of it not being red or yellow? | |
[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 bigger than 4? | |
[1] | A group of kids did a math test and here are their scores out of 5:
What is the probability of the kids to score exactly 3? | |
[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 that is bigger than or equal to 3? | |
[1] | Roll 138 6-sided dice.
How many times would you expect to get less than 1? | |
[1] |
There are 28 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | red | green | | Color |
Probability of Type
| | 0.9 | 0.1 | | sedan | wagon | | Type |
What is the probability of a car being a green wagon? | |
[2] |
The chances of feeling like icecream are 90%. The chances of being near an icecream store are 40%. There is a 10% chance that you lost all your money.
What is the probability of having icecream? | |
[1] | A bag has 3 balls with number 1 and 2 balls with a number 2. You take out 1 ball.
What is the probability of getting the ball with the number 2? | |
[1] |
A group of humans did a math test and here are their scores out of 5:
What is the probability of the humans to score more than 1? | |
[2] | A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in exactly 15s?
| |
[2] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.2 | 0.2 | | red | blue | pink | | Color |
If you choose a random ball from the bag, what is the probability of it not being pink or blue? | |
[1] | There are 48 balls in a bag. This is is the probability distribution of their color:
How many green balls were in the bag? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.1 | 0.9 | | blue | yellow | | Color |
Probability of Type
| | 1 | | wagon | sedan | | Type |
What is the probability of a car being a yellow wagon? | |
[2] |