A bag has 7 balls with numbers from 5 to 11. You take out 1 ball. What is the probability of NOT getting a ball with a number more than 12? | |
[1] | A bag has 7 balls with numbers from 4 to 10. You take out 1 ball. What is the probability of NOT getting a ball with a number less than 8? | |
[1] |
We asked a group of kids how many Peaches they eat in a day. Here are the results:
What fraction of the kids eat exactly 0 Peaches in a day? | |
[2] | A group of people did a math test and here are their scores out of 5:
What is the probability of the people to score more than 5? | |
[2] |
The chances of feeling like icecream are 60%. The chances of being near an icecream store are 70%. There is a 30% chance that you lost all your money. What is the probability of having icecream? | |
[1] | There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.5 | 0.3 | | pink | blue | purple | | Color |
If you choose a random ball from the bag, what is the probability of it not being pink? | |
[1] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.3 | 0.2 | | orange | blue | purple | | Color |
How many orange balls were in the bag? | |
[1] | Roll 144 6-sided dice. How many times would you expect to get more than or equal to 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 number that is smaller than 4? | |
[1] | We asked a group of girls how many Icecreams they eat in a week. Here are the results:
What is the probability of the girls to eat more than 3 Icecreams in a week? | |
[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:
| | 0.05 | 0.2 | 0.2 | 0.1 | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 3 or 5? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | purple | green | | Color |
Probability of Type
| | 0.9 | 0.1 | | wagon | sedan | | Type |
What is the probability of a car being a green sedan? | |
[2] |
A group of humans were timed running 100m. Here are the results:
| Time | humans | | 13 | 1 | | 14 | 4 | | 15 | 5 | | 16 | 5 | | 17 | 3 |
What is the probability of the humans to run 100m in less than 17s?
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[2] | | You shoot an arrow at a target. There is a 40% chance of scoring a 20, a 30% 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] |
A bag has 5 red balls, 8 blue balls and 4 yellow balls. You take out a blue ball, then a yellow ball, then another ball. What is the probability of getting red for the last ball? | |
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