| A bag has 7 balls with number 3 and 4 balls with a number 2. What will be the average of the numbers of the balls taken out of the bag | |
[1] | There are 10 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in 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:
| | 0.45 | | 0.1 | 0.2 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 3? | |
[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 1? | |
[1] |
| You shoot an arrow at a target. There is a 60% chance of scoring a 10 and a 40% chance of scoring a 40. What average score do you expect to get if you do this many times? | |
[1] | A group of humans were timed running 100m. Here are the results:
| Time | humans | | 13 | 0 | | 14 | 2 | | 15 | 1 | | 16 | 1 | | 17 | 5 |
What fraction of the humans run 100m in exactly 17s?
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[2] |
There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.1 | 0.5 | | purple | blue | green | | Color |
If you choose a random ball from the bag, what is the probability of it being blue? | |
[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 3? | |
[1] |
The chances of feeling like icecream are 80%. The chances of being near an icecream store are 90%. 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:
How many green balls were in 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:
| | 0.7 | 0.1 | 0.05 | | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 1? | |
[1] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.3 | 0.4 | | purple | red | pink | | Color |
If you choose a random ball from the bag, what is the probability of it being red or purple? | |
[1] |
There are 25 balls in a bag. This is is the probability distribution of their color:
How many green balls were in the bag? | |
[1] | We asked a group of kids how many Peaches they eat in a day. Here are the results:
What is the probability of the kids to eat less than 3 Peaches in a day? | |
[2] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.4 | 0.6 | | red | orange | | Color |
Probability of Type
| | 0.3 | 0.7 | | sedan | wagon | | Type |
What is the probability of a car being a orange sedan? | |
[2] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.5 | | purple | red | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it being red or yellow? | |
[1] |
There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.5 | 0.3 | | blue | purple | pink | | Color |
If you choose a random ball from the bag, what is the probability of it being pink or purple? | |
[1] |