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] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | | 0.6 | | pink | yellow | blue | | Color |
If you choose a random ball from the bag, what is the probability of it not being blue? | |
[1] |
There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.2 | 0.6 | | red | pink | purple | | Color |
If you choose a random ball from the bag, what is the probability of it not being purple or red? | |
[1] | A group of people were timed running 100m. Here are the results:
people
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| Time | 13 | 5 | | 14 | 4 | | 15 | 6 | | 16 | 3 | | 17 | 4 |
What is the probability of the people to run 100m in exactly 14s?
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[2] |
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 14s?
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[2] | Roll 42 6-sided dice. How many times would you expect to get more than or equal to 2? | |
[1] |
A bag has 8 balls with numbers from 2 to 9. You take out 1 ball. What is the probability of NOT getting the ball with the number 1? | |
[1] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.2 | 0.7 | | blue | red | green | | Color |
How many blue balls were in the bag? | |
[1] |
A bag has 10 red balls, 8 blue balls and 2 yellow 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 dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in more than 13s?
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[2] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | green | orange | | Color |
Probability of Type
| | 0.9 | 0.1 | | sedan | wagon | | Type |
What is the probability of a car being a orange sedan? | |
[2] | 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:
| | 0.2 | 0.25 | 0.15 | 0.2 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 3? | |
[1] |
You flip a coin and roll a 6 sided die. What is the probability of getting a number less than 2 and a head? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.7 | 0.3 | | green | orange | | Color |
Probability of Type
| | 0.9 | 0.1 | | sedan | wagon | | Type |
What is the probability of a car being a orange sedan? | |
[2] |
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