A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in more than 13s?
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[2] | A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score exactly 4? | |
[2] |
A group of people did a math test and here are their scores out of 5:
What fraction of the people score exactly 5? | |
[2] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.3 | 0.5 | | green | orange | blue | | Color |
If you choose a random ball from the bag, what is the probability of it not being green or blue? | |
[1] |
| A bag has 4 balls with number 5 and 7 balls with a number 5. What will be the average of the numbers of the balls taken out of the bag | |
[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 3 or 5? | |
[1] |
There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.5 | 0.3 | | purple | red | blue | | Color |
If you choose a random ball from the bag, what is the probability of it not being red? | |
[1] | The weather forecast says that the chances of rain are 20%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 50%.
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:
| | 0.2 | 0.15 | 0.25 | | 0.4 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 1? | |
[1] | There are 45 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.9 | 0.1 | | pink | orange | | Color |
Probability of Type
| | 0.4 | 0.6 | | sedan | wagon | | Type |
What is the probability of a car being a orange wagon? | |
[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] |
The weather forecast says that the chances of rain are 60%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 40%.
What is the probability of getting wet today? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.3 | 0.2 | | red | blue | purple | | Color |
If you choose a random ball from the bag, what is the probability of it being blue? | |
[1] |
Roll 30 6-sided dice.
How many times would you expect to get less than or equal to 6? | |
[1] | Roll a die 66 times.
How many times would you expect to get a 2? | |
[1] |
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