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:
| | 0.15 | | 0.1 | 0.15 | 0.6 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 2 to 3? | |
[1] | A wheel has 6 pink sections and 7 blue sections.
What is the probability of getting blue? | |
[1] |
There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.4 | 0.4 | | yellow | green | purple | | Color |
How many green balls were in the bag? | |
[1] | A bag has 8 balls with numbers from 5 to 12. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 4? | |
[1] |
A bag has 4 red balls and 8 blue balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] | | You shoot an arrow at a target. You will either score 10 (10% chance), 30 (10% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] |
A group of dogs did a math test and here are their scores out of 5:
What is the probability of the dogs to score less than 2? | |
[2] | Roll a die 114 times.
How many times would you expect to get a 4? | |
[1] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a number equal to 5 and a head? | |
[1] | A group of people were timed running 100m. Here are the results:
| Time | people | | 13 | 5 | | 14 | 0 | | 15 | 5 | | 16 | 3 | | 17 | 4 |
What is the probability of the people to run 100m in exactly 15s?
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[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:
| | 0.3 | 0.25 | 0.25 | 0.2 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 1? | |
[1] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.1 | 0.4 | | orange | blue | purple | | 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:
| | 0.3 | 0.05 | 0.2 | 0.25 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 3 to 4? | |
[1] | There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.2 | 0.6 | | yellow | red | green | | Color |
If you choose a random ball from the bag, what is the probability of it being green or yellow? | |
[1] |
We asked a group of boys how many Pillows they eat in a week. Here are the results:
What fraction of the boys eat exactly 3 Pillows in a week? | |
[2] | A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in exactly 15s?
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[2] |
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