There are 10 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | A bag has 2 balls with number 7 and 6 balls with a number 2. You take out 1 ball.
What is the probability of getting the ball with the number 7? | |
[1] |
A group of humans were timed running 100m. Here are the results:
What is the probability of the humans to run 100m in less than 14s?
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[2] | There are 4 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] |
| You shoot an arrow at a target. There is a 20% chance of scoring a 10 and a 20% chance of scoring a 30 and a 60% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] | There are 80 balls in a bag. This is is the probability distribution of their color:
How many yellow 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:
| | 0.15 | 0.15 | 0.15 | 0.15 | 0.4 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 3? | |
[1] | A bag has 10 balls with numbers from 3 to 12. You take out 1 ball.
What is the probability of NOT getting the ball with the number 5? | |
[1] |
An obstacle course has 2 Fences and 1 Ditches. You have a 50% chance of clearing a Fence and a 50% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] | We asked a group of kids how many Pillows they eat in a day. Here are the results:
What is the probability of the kids to eat less than 1 Pillows in a day? | |
[2] |
A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in less than 13s?
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[2] | A bag has 9 balls with numbers from 1 to 9. You take out 1 ball.
What is the probability of NOT getting the ball with the number 1? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in exactly 16s?
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[2] | 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 more than 3? | |
[2] |
Roll 1 6-sided die.
What is the probability of getting a number smaller than 2? | |
[1] |