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:
| | 0.4 | 0.05 | 0.2 | 0.1 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1 and smaller than 4? | |
[1] | The weather forecast says that the chances of rain are 60%. The chance of remembering your umbrella is 70%. Your chance of being outside today are 90%.
What is the probability of getting wet today? | |
[1] |
You roll a 5 sided die and a 7 sided die.
What is the probability of getting 4 on both dice? | |
[1] | A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in less than 14s?
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[2] |
Roll a die 12 times.
How many times would you expect to get a 1? | |
[1] | There are 16 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] |
A group of people were timed running 100m. Here are the results:
people
| | 3 | 6 | 2 | 6 | 2 | | 13 | 14 | 15 | 16 | 17 | | Time |
What fraction of the people run 100m in exactly 16s?
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[2] | Flip a coin 4 times.
Each time a Tail comes up you win $3. How much money would you expect to make altogether? | |
[1] |
A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in exactly 15s?
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[2] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | blue | purple | | Color |
Probability of Type
| | 0.2 | 0.8 | | wagon | sedan | | Type |
What is the probability of a car being a purple sedan? | |
[2] |
We asked a group of humans how many Chocolates they eat in a week. Here are the results:
What fraction of the humans eat exactly 1 Chocolates in a week? | |
[2] | A bag has 10 balls with numbers from 3 to 12. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 11? | |
[1] |
A bag has 4 balls with numbers from 1 to 4. You take out 1 ball.
What is the probability of getting the ball with the number 5? | |
[1] | There are 28 balls in a bag. This is is the probability distribution of their color:
How many orange balls were in the bag? | |
[1] |
| You shoot an arrow at a target. There is a 30% chance of scoring a 10 and a 40% chance of scoring a 40 and a 30% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |