There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.5 | 0.4 | | orange | purple | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it being orange or purple? | |
[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 | 0.15 | 0.15 | 0.1 | 0.4 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 4? | |
[1] |
Roll 54 6-sided dice.
How many times would you expect to get more than or equal to 3? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.3 | 0.2 | | orange | pink | purple | | Color |
How many pink balls were in the bag? | |
[1] |
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 2? | |
[1] | You flip a coin and roll a 6 sided die.
What is the probability of getting a 6 and a tail? | |
[1] |
| You shoot an arrow at a target. You will either score 20 (30% chance), 40 (10% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] | A wheel has 8 sections, each with a different reward.
What is the probability of getting a Pocky? | |
[1] |
There are 22 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 people were timed running 100m. Here are the results:
people
| |
| Time | 13 | 5 | | 14 | 1 | | 15 | 2 | | 16 | 5 | | 17 | 3 |
What is the probability of the people to run 100m in exactly 13s?
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[2] |
A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in exactly 16s?
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[2] | There are 110 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] |
The weather forecast says that the chances of rain are 80%. Your chance of being outside today is 70%. You flip a coin to decide whether to take your umbrella.
What is the probability of getting wet today? | |
[1] | A group of dogs did a math test and here are their scores out of 5:
What is the probability of the dogs to score exactly 1? | |
[2] |
Roll 36 6-sided dice.
How many times would you expect to get less than 3? | |
[1] | A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in exactly 14s?
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[2] |
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