| You shoot an arrow at a target. There is a 40% chance of scoring a 20 and a 40% chance of scoring a 40 and a 20% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] | A group of humans did a math test and here are their scores out of 5:
What is the probability of the humans to score less than 1? | |
[2] |
A group of humans did a math test and here are their scores out of 5:
What is the probability of the humans to score exactly 1? | |
[2] | A group of people did a math test and here are their scores out of 5:
What is the probability of the people to score less than 2? | |
[2] |
A wheel has 3 sections, each a different color. What is the probability of getting pink? | |
[1] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.5 | | | green | pink | orange | | Color |
How many orange balls were in the bag? | |
[1] |
There are 10 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] | A group of people were timed running 100m. Here are the results:
| Time | people | | 13 | 5 | | 14 | 1 | | 15 | 1 | | 16 | 2 | | 17 | 0 |
What fraction of the people run 100m in exactly 15s?
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[2] |
We asked a group of kids how many Burgers they eat in a month. Here are the results:
What is the probability of the kids to eat less than 2 Burgers in a month? | |
[2] | There are 4 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] |
A bag has 9 balls with number 1 and 4 balls with a number 2. You take out 1 ball. What is the probability of getting the ball with the number 1? | |
[1] | You roll a 8 sided die and a 10 sided die. What is the probability of getting 1 on both dice? | |
[1] |
A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in less than 14s?
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[2] | A wheel has 5 sections, each a different color. What is the probability of getting yellow? | |
[1] |
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