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:
| | 0.25 | 0.1 | 0.05 | 0.2 | 0.4 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger 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:
| | 0.1 | 0.25 | 0.25 | 0.25 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 2? | |
[1] |
A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in exactly 16s?
| |
[2] | A group of humans did a math test and here are their scores out of 5:
What is the probability of the humans to score more than 5? | |
[2] |
We asked a group of humans how many Pizzas they eat in a month. Here are the results:
What is the probability of the humans to eat less than 0 Pizzas in a month? | |
[2] | A bag has 2 red balls and 4 blue balls. You take out 1 ball.
What is the probability of getting a red ball? | |
[1] |
A bag has 6 balls with numbers from 3 to 8. You take out 1 ball.
What is the probability of getting the ball with the number 3? | |
[1] | | You shoot an arrow at a target. There is a 40% chance of scoring a 30, a 50% chance of scoring a 40, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
How many orange balls were in the bag? | |
[1] | A wheel has 10 sections, each with a different reward.
What is the probability of getting a Gummy Bear? | |
[1] |
A bag has 9 red balls and 2 blue balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in more than 13s?
| |
[2] |
There are 50 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 not being purple or pink? | |
[1] | A bag has 6 red balls, 5 green balls and 3 blue balls. You take out 1 ball.
What is the probability of NOT getting a green ball? | |
[1] |
A bag has 9 red balls and 2 blue balls. You take out a blue ball, then a blue ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | An obstacle course has 2 Fences and 1 Ditches. You have a 90% chance of clearing a Fence and a 90% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] |
|