There are 55 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | We asked a group of humans how many Pizzas they eat in a week. Here are the results:
What is the probability of the humans to eat exactly 4 Pizzas in a week? | |
[2] |
You flip a coin and roll a 5 sided die.
What is the probability of getting a 4 and a head? | |
[1] | Roll 24 6-sided dice.
How many times would you expect to get an even number? | |
[1] |
Roll 24 6-sided dice.
How many times would you expect to get less than 1? | |
[1] | A wheel has 8 orange sections and 7 red sections.
What is the probability of getting red? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | green | orange | | Color |
Probability of Type
| | 0.3 | 0.7 | | wagon | sedan | | Type |
What is the probability of a car being a green sedan? | |
[2] | Roll 84 6-sided dice.
How many times would you expect to get less than 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:
| | 0.35 | 0.15 | 0.2 | 0.05 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 4? | |
[1] | | You shoot an arrow at a target. There is a 50% chance of scoring a 20 and a 50% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |
There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.2 | 0.4 | | red | purple | pink | | Color |
If you choose a random ball from the bag, what is the probability of it being red? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.1 | 0.9 | | red | purple | | Color |
Probability of Type
| | 0.4 | 0.6 | | wagon | sedan | | Type |
What is the probability of a car being a red wagon? | |
[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 smaller than or equal to 2? | |
[1] | A wheel has 11 sections, each has a reward in dollars, from $1 through to $11.
What prize do we expect to get if we spin the wheel? | |
[1] |
A group of dogs did a math test and here are their scores out of 5:
What fraction of the dogs score less than 3? | |
[2] | Roll 60 6-sided dice.
How many times would you expect to get anything except 5? | |
[1] |
|