An obstacle course has 1 Fences and 1 Ditches. You have a 80% chance of clearing a Fence and a 80% chance of clearing a Ditch. What is the probability of having a perfect run (clearing everything)? | |
[1] | | A bag has 7 balls with number 6 and 4 balls with a number 8. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
Roll 96 6-sided dice. How many times would you expect to get more than or equal to 4? | |
[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 | 0.15 | 0.25 | 0.25 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What is the probability of the dogs to run 100m in more than 15s?
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[2] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.7 | 0.3 | | green | blue | | Color |
Probability of Type
| | 0.6 | 0.4 | | sedan | wagon | | Type |
What is the probability of a car being a green sedan? | |
[2] |
| You shoot an arrow at a target. There is a 80% chance of scoring a 10 and a 20% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] | There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.3 | 0.4 | | green | blue | pink | | Color |
How many pink balls were in the bag? | |
[1] |
| A bag has 8 balls with number 5 and 4 balls with a number 7. What will be the average of the numbers of the balls taken out of the bag | |
[1] | A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in exactly 15s?
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[2] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.7 | 0.3 | | yellow | purple | | Color |
Probability of Type
| | 1 | | sedan | wagon | | Type |
What is the probability of a car being a purple wagon? | |
[2] | We asked a group of dogs how many Chocolates they eat in a week. Here are the results:
What fraction of the dogs eat less than 2 Chocolates in a week? | |
[2] |
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 more than 8? | |
[1] | We asked a group of girls how many Oranges they eat in a day. Here are the results:
What is the probability of the girls to eat exactly 3 Oranges in a day? | |
[2] |
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