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 5 and smaller than 1? | |
[1] | Roll 42 6-sided dice.
How many times would you expect to get more than 2? | |
[1] |
A bag has 10 red balls, 4 blue balls and 3 yellow balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.4 | 0.6 | | blue | yellow | | Color |
Probability of Type
| | 0.3 | 0.7 | | sedan | wagon | | Type |
What is the probability of a car being a yellow sedan? | |
[2] |
| A bag has 6 balls with number 6 and 6 balls with a number 2. What will be the average of the numbers of the balls taken out of the bag | |
[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:
| | 0.3 | 0.25 | 0.15 | 0.15 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 4? | |
[1] |
A bag has 8 red balls, 3 green balls and 5 blue balls. You take out 1 ball.
What is the probability of getting a blue ball or a red ball? | |
[1] | 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] |
There are 20 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? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | green | red | | Color |
Probability of Type
| | 0.9 | 0.1 | | wagon | sedan | | Type |
What is the probability of a car being a red sedan? | |
[2] |
There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.1 | 0.7 | | blue | red | green | | Color |
How many red balls were in the bag? | |
[1] | Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are 1 or 4? | |
[1] |
There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | | 0.4 | | orange | red | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange or yellow? | |
[1] | A group of humans were timed running 100m. Here are the results:
What fraction of the humans run 100m in more than 16s?
| |
[2] |
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than 2? | |
[1] | We asked a group of dogs how many Burgers they eat in a day. Here are the results:
What is the probability of the dogs to eat exactly 2 Burgers in a day? | |
[2] |
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