The weather forecast says that the chances of rain are 30%. Your chance of being outside today is 60%. You flip a coin to decide whether to take your umbrella. What is the probability of getting wet today? | |
[1] | Roll 12 6-sided dice. How many times would you expect to get a number less than 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:
What is the probability of rolling a number that is bigger than or equal to 2? | |
[1] | Roll 108 6-sided dice. How many times would you expect to get more than 5? | |
[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:
| | 0.25 | 0.1 | 0.2 | 0.15 | 0.3 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 1? | |
[1] | A bag has 10 red balls, 9 green balls and 10 blue balls. You take out 1 ball. What is the probability of getting a green ball or a blue ball? | |
[1] |
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] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | blue | orange | | Color |
Probability of Type
| | 0.7 | 0.3 | | sedan | wagon | | Type |
What is the probability of a car being a blue sedan? | |
[2] |
You flip a coin and roll a 6 sided die. What is the probability of getting a 4 or a 2 and a head? | |
[1] | | You shoot an arrow at a target. There is a 50% chance of scoring a 30, a 40% chance of scoring a 50, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
We asked a group of kids how many Strawberries they eat in a day. Here are the results:
What is the probability of the kids to eat more than 1 Strawberries in a day? | |
[2] | There are 32 balls in a bag. This is is the probability distribution of their color:
How many blue 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:
| | 0.5 | 0.2 | | 0.05 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 2? | |
[1] | Roll 114 6-sided dice. How many times would you expect to get a number more than 3? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.4 | | | green | yellow | purple | | Color |
If you choose a random ball from the bag, what is the probability of it not being yellow? | |
[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 2 or smaller than 4? | |
[1] |
Roll 114 6-sided dice. How many times would you expect to get more than or equal to 1? | |
[1] | The chances of feeling like icecream are 60%. The chances of being near an icecream store are 60%. There is a 20% chance that you lost all your money. What is the probability of having icecream? | |
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