A bag has 4 balls with numbers from 2 to 5. You take out 1 ball.
What is the probability of getting a ball with a number more than 4? | |
[1] | We asked a group of dogs how many Strawberries they eat in a day. Here are the results:
What is the probability of the dogs to eat exactly 4 Strawberries in a day? | |
[2] |
We asked a group of dogs how many Bananas they eat in a day. Here are the results:
What is the probability of the dogs to eat exactly 1 Bananas in a day? | |
[2] | A bag has 6 red balls, 8 blue balls and 5 yellow balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] |
Roll 72 6-sided dice.
How many times would you expect to get more than 5? | |
[1] | A bag has 2 red balls, 10 green balls and 9 blue balls. You take out 1 ball.
What is the probability of getting a blue ball? | |
[1] |
An obstacle course has 1 Fences and 1 Ditches. You have a 100% 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] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.2 | 0.7 | | yellow | pink | blue | | Color |
How many yellow balls were in the bag? | |
[1] |
| A bag has 3 balls with number 2 and 4 balls with a number 3. What will be the average of the numbers of the balls taken out of the bag | |
[1] | You roll a 8 sided die and a 6 sided die.
What is the probability of getting 5 on both dice? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in exactly 14s?
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[2] | Roll 84 6-sided dice.
How many times would you expect to get more than or equal to 5? | |
[1] |
There are 12 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] | A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in exactly 16s?
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[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:
| | 0.6 | 0.1 | 0.25 | | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 1? | |
[1] | A wheel has 13 sections, each a number on it from 1 to 13. If you spin an even number you win that amount of dollars, if you spin an odd number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] |
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