Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | yellow | pink | | Color |
Probability of Type
| | 0.4 | 0.6 | | sedan | wagon | | Type |
What is the probability of a car being a yellow sedan? | |
[2] | The chances of feeling like icecream are 70%. The chances of being near an icecream store are 90%. There is a 10% chance that you lost all your money. What is the probability of having icecream? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in 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:
| | 0.2 | 0.1 | | 0.05 | 0.65 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 or smaller than 4? | |
[1] |
| A bag has 7 balls with number 4 and 7 balls with a number 4. What will be the average of the numbers of the balls taken out of the bag | |
[1] | The weather forecast says that the chances of rain are 20%. Your chance of being outside today is 50%. The chance of remembering your umbrella is 40%. What is the probability of getting wet today? | |
[1] |
A group of people were timed running 100m. Here are the results:
| Time | people | | 13 | 2 | | 14 | 2 | | 15 | 6 | | 16 | 0 | | 17 | 0 |
What is the probability of the people to run 100m in exactly 15s?
| |
[2] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.4 | 0.3 | | pink | yellow | orange | | Color |
How many orange balls were in the bag? | |
[1] |
Roll 54 6-sided dice. How many times would you expect to get more than 5? | |
[1] | A bag has 7 balls with number 2 and 3 balls with a number 1. You take out 1 ball. What is the probability of getting the ball with the number 2? | |
[1] |
Roll 48 6-sided dice. How many times would you expect to get more than 5? | |
[1] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.7 | 0.1 | 0.2 | | yellow | purple | pink | | Color |
If you choose a random ball from the bag, what is the probability of it being pink or yellow? | |
[1] |
Roll 1 6-sided die. What is the probability of getting a number bigger than 4? | |
[1] | Roll 126 6-sided dice. How many times would you expect to get less than 6? | |
[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 | 0.15 | 0.15 | 0.15 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 and smaller than 4? | |
[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 16s?
| |
[2] |
Roll 120 6-sided dice. How many times would you expect to get an odd number? | |
[1] |