A wheel has 2 green sections and 3 orange sections.
What is the probability of getting green? | |
[1] | Flip 3 coins.
What is the probability of getting 3 tails? | |
[1] |
| You shoot an arrow at a target. You will either score 10 (50% chance), 30 (10% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] | An obstacle course has 2 Fences and 1 Ditches. You have a 50% chance of clearing a Fence and a 50% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[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:
| | 0.55 | 0.25 | 0.15 | 0.05 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 and smaller than 2? | |
[1] | We asked a group of boys how many Peaches they eat in a day. Here are the results:
What is the probability of the boys to eat more than 0 Peaches in a day? | |
[2] |
Roll 42 6-sided dice.
How many times would you expect to get an ugly number? | |
[1] | | A bag has 6 balls with number 9 and 2 balls with a number 3. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
Roll 54 6-sided dice.
How many times would you expect to get anything except 5? | |
[1] | A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in exactly 16s?
| |
[2] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a 1 or a 2 and a head or a tail? | |
[1] | A group of people were timed running 100m. Here are the results:
What fraction of the people run 100m in more than 16s?
| |
[2] |
We asked a group of people how many Apples they eat in a week. Here are the results:
What fraction of the people eat less than 4 Apples in a week? | |
[2] | There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.2 | 0.4 | | purple | orange | green | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange or green? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.7 | | 0.3 | | blue | yellow | orange | | Color |
How many blue balls were in the bag? | |
[1] | Roll 54 6-sided dice.
How many times would you expect to get an even number? | |
[1] |
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