| A bag has 7 balls with number 9 and 3 balls with a number 3. What will be the average of the numbers of the balls taken out of the bag | |
[1] | The chances of feeling like icecream are 70%. The chances of being near an icecream store are 40%. There is a 10% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
A bag has 9 red balls, 8 blue balls and 5 yellow balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | There are 32 balls in a bag. This is is the probability distribution of their color:
| | 0.75 | 0.25 | | yellow | orange | | Color |
How many yellow balls were in the bag? | |
[1] |
Roll 2 6-sided dice.
What is the probability of getting a 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 more than 17s?
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[2] |
Roll 42 6-sided dice.
How many times would you expect to get anything except 2? | |
[1] | There are 60 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 red or pink? | |
[1] |
Roll 54 6-sided dice.
How many times would you expect to get more than 6? | |
[1] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than 3? | |
[1] |
The weather forecast says that the chances of rain are 70%. The chance of remembering your umbrella is 70%. Your chance of being outside today are 60%.
What is the probability of getting wet today? | |
[1] | A bag has 6 balls with numbers from 2 to 7. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 3? | |
[1] |
We asked a group of humans how many Oranges they eat in a day. Here are the results:
What fraction of the humans eat more than 2 Oranges in a day? | |
[2] | Roll 36 6-sided dice.
How many times would you expect to get an ugly 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:
What is the probability of rolling a number that is bigger than 3 and smaller than 4? | |
[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] |
The weather forecast says that the chances of rain are 70%. Your chance of being outside today is 40%. You flip a coin to decide whether to take your umbrella.
What is the probability of getting wet today? | |
[1] | You flip a coin and roll a 6 sided die.
What is the probability of getting a 6 or a 1 and a head? | |
[1] |
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