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:
| | 0.15 | 0.2 | 0.25 | | 0.4 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 and smaller than 5? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | red | yellow | | Color |
Probability of Type
| | 0.3 | 0.7 | | sedan | wagon | | Type |
What is the probability of a car being a red sedan? | |
[2] |
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 17s?
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[2] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.3 | 0.7 | | red | purple | | Color |
Probability of Type
| | 0.9 | 0.1 | | sedan | wagon | | Type |
What is the probability of a car being a red sedan? | |
[2] |
Roll 144 6-sided dice.
How many times would you expect to get less than or equal to 6? | |
[1] | You flip a coin and roll a 4 sided die.
What is the probability of getting a 2 and a tail? | |
[1] |
Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are less than 5? | |
[1] | Roll 48 6-sided dice.
How many times would you expect to get more than 6? | |
[1] |
| You shoot an arrow at a target. There is a 30% chance of scoring a 10 and a 30% chance of scoring a 40 and a 40% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] | There are 10 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | | 0.9 | | orange | yellow | pink | | Color |
If you choose a random ball from the bag, what is the probability of it not being yellow or orange? | |
[1] | A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score more than 1? | |
[2] |
Roll 12 6-sided dice.
How many times would you expect to get less than or equal to 1? | |
[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:
| | 0.1 | 0.2 | 0.1 | 0.25 | 0.35 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 and smaller than 5? | |
[1] |
The weather forecast says that the chances of rain are 30%. The chance of remembering your umbrella is 60%. Your chance of being outside today are 40%.
What is the probability of getting wet today? | |
[1] | Roll 144 6-sided dice.
How many times would you expect to get anything except 2? | |
[1] |
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