An obstacle course has 1 Fences and 1 Ditches. You have a 80% 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] | A wheel has 7 yellow sections and 6 purple sections.
What is the probability of getting yellow? | |
[1] |
There are 55 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] | | You shoot an arrow at a target. There is a 40% chance of scoring a 10, a 30% chance of scoring a 50, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[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:
| | 0.05 | 0.25 | 0.05 | 0.65 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 1? | |
[1] | A group of humans were timed running 100m. Here are the results:
What fraction of the humans run 100m in exactly 14s?
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[2] |
There are 40 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] | | You shoot an arrow at a target. There is a 20% chance of scoring a 10 and a 40% chance of scoring a 40 and a 40% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What is the probability of the dogs to run 100m in exactly 17s?
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[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 less than 2? | |
[2] |
There are 10 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] | We asked a group of humans how many Oranges they eat in a week. Here are the results:
What fraction of the humans eat exactly 2 Oranges in a week? | |
[2] |
A group of people were timed running 100m. Here are the results:
| Time | people | | 13 | 4 | | 14 | 3 | | 15 | 1 | | 16 | 3 | | 17 | 6 |
What is the probability of the people to run 100m in exactly 13s?
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[2] | Flip a coin 10 times.
Each time a Tail comes up you win $1. It costs $10 to play (paid once). How much money would you expect to make altogether? | |
[1] |
Roll 120 6-sided dice.
How many times would you expect to get more than or equal to 6? | |
[1] |