An obstacle course has 2 Fences and 1 Ditches. You have a 80% chance of clearing a Fence and a 100% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] | | You shoot an arrow at a target. There is a 40% chance of scoring a 20 and a 10% chance of scoring a 40 and a 50% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |
| A bag has 6 balls with number 3 and 2 balls with a number 9. What will be the average of the numbers of the balls taken out of 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 | 0.2 | 0.25 | 0.25 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 4? | |
[1] |
There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.1 | 0.8 | | red | orange | purple | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange or red? | |
[1] | Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are less than 5? | |
[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:
| | 0.45 | 0.25 | 0.25 | | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 3? | |
[1] | A group of dogs did a math test and here are their scores out of 5:
What fraction of the dogs score more than 3? | |
[2] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.1 | 0.8 | | red | blue | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it not being red? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.3 | 0.7 | | yellow | green | | Color |
Probability of Type
| | 0.4 | 0.6 | | wagon | sedan | | Type |
What is the probability of a car being a yellow wagon? | |
[2] |
There are 24 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] | Roll 102 6-sided dice.
How many times would you expect to get an even number? | |
[1] |
| You shoot an arrow at a target. You will either score 10 (40% chance), 40 (10% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] | A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in more than 14s?
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[2] |
There are 60 balls in a bag. This is is the probability distribution of their color:
How many green balls were in the bag? | |
[1] | An obstacle course has 2 Fences and 1 Ditches. You have a 50% 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 4 yellow sections and 8 pink sections.
What is the probability of getting yellow? | |
[1] |