There are 12 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | 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?
| |
[2] |
Roll 1 6-sided die. What is the probability of NOT getting a 2? | |
[1] | A bag has 5 red balls, 3 green balls and 7 blue balls. You take out 1 ball. What is the probability of getting a blue ball? | |
[1] |
A group of people were timed running 100m. Here are the results:
What is the probability of the people to run 100m in less than 17s?
| |
[2] | There are 32 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] |
| You shoot an arrow at a target. There is a 50% chance of scoring a 30 and a 50% chance of scoring a 40. What average score do you expect to get if you do this many times? | |
[1] | A group of dogs did a math test and here are their scores out of 5:
What fraction of the dogs score less than 0? | |
[2] |
A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in more than 16s?
| |
[2] | | A bag has 9 balls with number 3 and 2 balls with a number 5. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.1 | 0.7 | | blue | orange | pink | | 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
| | 0.5 | 0.5 | | red | yellow | | Color |
Probability of Type
| | 0.7 | 0.3 | | sedan | wagon | | Type |
What is the probability of a car being a red sedan? | |
[2] |
There are 2 balls in a bag. This is is the probability distribution of their color:
How many orange balls were in the bag? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | orange | blue | | Color |
Probability of Type
| | 0.9 | 0.1 | | wagon | sedan | | Type |
What is the probability of a car being a blue wagon? | |
[2] |
|