Roll 1 6-sided die. What is the probability of getting an odd number? | |
[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:
What is the probability of rolling a number that is smaller than 1? | |
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You flip a coin and roll a 6 sided die. What is the probability of getting a 5 and a tail? | |
[1] | Roll 138 6-sided dice. How many times would you expect to get more than 1? | |
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A bag has 5 red balls and 3 blue balls. You take out a red ball, then a blue ball, then another ball. What is the probability of getting red for the last ball? | |
[1] | There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.5 | 0.2 | | red | orange | purple | | Color |
How many orange balls were in 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:
| | 0.7 | 0.15 | 0.05 | 0.05 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 or smaller than 3? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.5 | | red | orange | green | | Color |
How many green balls were in 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:
| | 0.1 | | 0.25 | 0.2 | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 and smaller than 4? | |
[1] | Roll 138 6-sided dice. How many times would you expect to get more than 6? | |
[1] |
A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in exactly 16s?
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[2] | We asked a group of kids how many Strawberries they eat in a week. Here are the results:
What is the probability of the kids to eat exactly 3 Strawberries in a week? | |
[2] |
You roll 2 3-sided dice You add the two numbers. What is the probability of getting exactly 4? | |
[1] | A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in exactly 15s?
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[2] |
A group of people were timed running 100m. Here are the results:
What fraction of the people run 100m in exactly 17s?
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[2] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.1 | 0.8 | | orange | yellow | purple | | Color |
How many purple balls were in the bag? | |
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