The weather forecast says that the chances of rain are 40%. Your chance of being outside today is 50%. The chance of remembering your umbrella is 70%.
What is the probability of getting wet today? | |
[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 from 4 to 5? | |
[1] |
There are 30 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | | A bag has 7 balls with number 2 and 6 balls with a number 3. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
We asked a group of people how many Burgers they eat in a day. Here are the results:
What is the probability of the people to eat exactly 3 Burgers in a day? | |
[2] | There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.4 | 0.2 | | purple | blue | orange | | Color |
How many purple balls were in the bag? | |
[1] |
A group of people were timed running 100m. Here are the results:
What fraction of the people run 100m in less than 13s?
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[2] | | A bag has 4 balls with number 1 and 7 balls with a number 5. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
Roll 66 6-sided dice.
How many times would you expect to get less than 6? | |
[1] | A bag has 6 red balls, 2 green balls and 5 blue balls. You take out 1 ball.
What is the probability of getting a green ball or a red ball? | |
[1] |
There are 80 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it being yellow? | |
[1] | Roll 144 6-sided dice.
How many times would you expect to get less than or equal to 4? | |
[1] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.8 | 0.1 | 0.1 | | orange | purple | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it being yellow? | |
[1] | Roll 114 6-sided dice.
How many times would you expect to get more than or equal to 4? | |
[1] |
Roll 1 6-sided die.
What is the probability of getting a number smaller than 5? | |
[1] | A bag has 7 balls with numbers from 1 to 7. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 7? | |
[1] |
Roll 102 6-sided dice.
How many times would you expect to get more than 2? | |
[1] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.2 | 0.5 | | blue | green | pink | | Color |
How many green balls were in the bag? | |
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