A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in exactly 14s?
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[2] | A group of people were timed running 100m. Here are the results:
What is the probability of the people to run 100m in exactly 13s?
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[2] |
You flip a coin and roll a 3 sided die.
What is the probability of getting a 2 and a head? | |
[1] | | A bag has 9 balls with number 5 and 8 balls with a number 1. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
A bag has 4 balls with numbers from 1 to 4. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 0? | |
[1] | We asked a group of kids how many Oranges they eat in a month. Here are the results:
What fraction of the kids eat exactly 0 Oranges in a month? | |
[2] |
| You shoot an arrow at a target. There is a 50% chance of scoring a 20 and a 50% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[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 bigger than or equal to 2? | |
[1] |
There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.7 | 0.3 | | | orange | pink | purple | | Color |
If you choose a random ball from the bag, what is the probability of it not being purple or orange? | |
[1] | A bag has 9 balls with numbers from 3 to 11. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 5? | |
[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:
| | 0.6 | 0.05 | | 0.1 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 or smaller than 5? | |
[1] | A wheel has 2 pink sections and 8 orange sections.
What is the probability of getting orange? | |
[1] |
| You shoot an arrow at a target. You will either score 20 (10% chance), 40 (10% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
How many orange balls were in the bag? | |
[1] |
Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are 1 or 4? | |
[1] | The weather forecast says that the chances of rain are 20%. Your chance of being outside today is 60%. The chance of remembering your umbrella is 60%.
What is the probability of getting wet today? | |
[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:
| | 0.35 | 0.25 | 0.2 | 0.2 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 4? | |
[1] |