There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.5 | | purple | green | yellow | | Color |
How many purple balls were in the bag? | |
[1] | We asked a group of dogs how many Burgers they eat in a day. Here are the results:
What fraction of the dogs eat less than 2 Burgers in a day? | |
[2] |
The chances of feeling like icecream are 60%. The chances of being near an icecream store are 70%. There is a 10% chance that you lost all your money.
What is the probability of having icecream? | |
[1] | Roll 60 6-sided dice.
How many times would you expect to get less than or equal to 5? | |
[1] |
A bag has 2 red balls, 5 blue balls and 5 yellow balls. You take out a blue ball, then a yellow ball, then another ball.
What is the probability of getting yellow for the last ball? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.2 | 0.8 | | red | purple | | Color |
Probability of Type
| | 0.8 | 0.2 | | sedan | wagon | | Type |
What is the probability of a car being a red wagon? | |
[2] |
A bag has 9 red balls, 10 green balls and 2 blue balls. You take out 1 ball.
What is the probability of getting a red ball? | |
[1] | A bag has 4 balls with number 2 and 4 balls with a number 4. You take out 1 ball.
What is the probability of getting the ball with the number 2? | |
[1] |
Roll 48 6-sided dice.
How many times would you expect to get an odd number? | |
[1] | We asked a group of humans how many Sandwiches they eat in a week. Here are the results:
What is the probability of the humans to eat exactly 4 Sandwiches in a week? | |
[2] |
| You shoot an arrow at a target. There is a 80% chance of scoring a 20 and a 20% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | | 0.9 | | pink | yellow | purple | | Color |
How many pink balls were in the bag? | |
[1] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.8 | 0.2 | | | purple | green | pink | | Color |
If you choose a random ball from the bag, what is the probability of it not being pink? | |
[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:
| | 0.25 | 0.15 | | 0.2 | 0.4 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 3? | |
[1] |
A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in exactly 13s?
| |
[2] | | You shoot an arrow at a target. There is a 50% chance of scoring a 20, a 40% chance of scoring a 60, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
|