You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than 2? | |
[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 | 0.1 | 0.05 | 0.2 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 and smaller than 5? | |
[1] |
There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.3 | 0.1 | | orange | pink | red | | Color |
If you choose a random ball from the bag, what is the probability of it not being pink or red? | |
[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 50%.
What is the probability of getting wet today? | |
[1] |
A group of kids did a math test and here are their scores out of 5:
What is the probability of the kids to score exactly 1? | |
[2] | We asked a group of dogs how many Chocolates they eat in a day. Here are the results:
What fraction of the dogs eat more than 4 Chocolates in a day? | |
[2] |
A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in exactly 17s?
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[2] | An obstacle course has 2 Fences and 1 Ditches. You have a 50% chance of clearing a Fence and a 50% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] |
A wheel has 2 green sections and 4 red sections.
What is the probability of getting red? | |
[1] | A bag has 10 balls with numbers from 1 to 10. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 7? | |
[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 a number that is bigger than 1 and smaller than 5? | |
[1] | The chances of feeling like icecream are 60%. The chances of being near an icecream store are 60%. There is a 30% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] | Roll 96 6-sided dice.
How many times would you expect to get an even number? | |
[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 | 0.25 | | 0.15 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 3? | |
[1] | | You shoot an arrow at a target. There is a 40% chance of scoring a 10 and a 20% chance of scoring a 30 and a 40% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |
Flip a coin 16 times.
Each time a head comes up you win $3 and with each tail you lose $3. How much money would you expect to make altogether? | |
[1] |