There are 100 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it being blue or pink? | |
[1] | Flip 3 coins.
What is the probability of getting 3 tails? | |
[1] |
A bag has 5 red balls, 3 blue balls and 8 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] | A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in exactly 13s?
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[2] |
Roll 24 6-sided dice.
How many times would you expect to get a number less than 7? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.2 | 0.8 | | red | pink | | Color |
Probability of Type
| | 1 | | | sedan | wagon | | Type |
What is the probability of a car being a red sedan? | |
[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 2 or 5? | |
[1] | We asked a group of humans how many Oranges they eat in a month. Here are the results:
What fraction of the humans eat exactly 1 Oranges in a month? | |
[2] |
Roll 6 6-sided dice.
How many times would you expect to get anything except 6? | |
[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:
| | 0.65 | 0.05 | 0.05 | | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 4? | |
[1] |
Roll 114 6-sided dice.
How many times would you expect to get anything except 1? | |
[1] | There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.3 | 0.3 | | pink | orange | green | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange? | |
[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:
| | 0.1 | 0.15 | 0.05 | 0.15 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] | Roll 30 6-sided dice.
How many times would you expect to get anything except 2? | |
[1] |
Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are odd? | |
[1] | | You shoot an arrow at a target. There is a 50% chance of scoring a 20, a 30% chance of scoring a 40, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
Roll 1 6-sided die.
What is the probability of getting an odd number? | |
[1] |