| You shoot an arrow at a target. There is a 10% chance of scoring a 10 and a 30% chance of scoring a 40 and a 60% chance of scoring a 60. 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 | 0.5 | 0.2 | | blue | pink | red | | Color |
How many red balls were in the bag? | |
[1] |
A group of humans were timed running 100m. Here are the results:
| Time | humans | | 13 | 4 | | 14 | 3 | | 15 | 2 | | 16 | 5 | | 17 | 6 |
What fraction of the humans run 100m in less than 17s?
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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:
| | 0.15 | 0.15 | 0.05 | | 0.65 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 and smaller than 1? | |
[1] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a 3 or a 5 and a tail? | |
[1] | The weather forecast says that the chances of rain are 80%. Your chance of being outside today is 60%. You flip a coin to decide whether to take your umbrella.
What is the probability of getting wet today? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.4 | 0.5 | | purple | orange | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange or purple? | |
[1] | A group of people were timed running 100m. Here are the results:
people
| |
| Time | 13 | 6 | | 14 | 1 | | 15 | 1 | | 16 | 4 | | 17 | 6 |
What is the probability of the people to run 100m in more than 16s?
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[2] |
Roll 114 6-sided dice.
How many times would you expect to get more than 2? | |
[1] | We asked a group of humans how many Chocolates they eat in a day. Here are the results:
What is the probability of the humans to eat exactly 3 Chocolates in a day? | |
[2] |
A bag has 4 balls with number 1 and 2 balls with a number 4. You take out 1 ball.
What is the probability of getting the ball with the number 1? | |
[1] | There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | | 0.7 | | red | yellow | green | | Color |
If you choose a random ball from the bag, what is the probability of it being green? | |
[1] |
A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score less than 1? | |
[2] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.5 | | | pink | yellow | green | | Color |
If you choose a random ball from the bag, what is the probability of it being yellow? | |
[1] |
A wheel has 6 green sections and 3 blue sections.
What is the probability of getting green? | |
[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:
| | 0.2 | 0.05 | 0.25 | 0.2 | 0.3 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 1? | |
[1] |
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