There are 25 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | We asked a group of kids how many Icecreams they eat in a day. Here are the results:
What is the probability of the kids to eat exactly 1 Icecreams in a day? | |
[2] |
A group of kids did a math test and here are their scores out of 5:
What fraction of the kids score exactly 1? | |
[2] | | A bag has 7 balls with number 9 and 9 balls with a number 7. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
Roll 1 6-sided die.
What is the probability of getting an odd number? | |
[1] | Flip 3 coins.
What is the probability of getting 3 tails? | |
[1] |
There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.1 | 0.4 | | purple | orange | yellow | | Color |
How many purple balls were in the bag? | |
[1] | We asked a group of dogs how many Pizzas they eat in a day. Here are the results:
What fraction of the dogs eat exactly 3 Pizzas in a day? | |
[2] |
We asked a group of humans how many Bowls of Ramen they eat in a week. Here are the results:
| Bowls of Ramen | humans | | 0 | 5 | | 1 | 0 | | 2 | 6 | | 3 | 1 |
What is the probability of the humans to eat exactly 4 Bowls of Ramen in a week? | |
[2] | A group of people were timed running 100m. Here are the results:
people
| | 3 | 2 | 5 | 6 | 1 | | 13 | 14 | 15 | 16 | 17 | | Time |
What is the probability of the people to run 100m in exactly 13s?
| |
[2] |
The weather forecast says that the chances of rain are 80%. Your chance of being outside today is 90%. The chance of remembering your umbrella is 40%.
What is the probability of getting wet today? | |
[1] | Roll 102 6-sided dice.
How many times would you expect to get more than or equal to 2? | |
[1] |
A wheel has 11 sections, each has a reward in dollars, from $1 through to $11.
What prize do we expect to get if we spin the wheel? | |
[1] | You flip a coin and roll a 6 sided die.
What is the probability of getting a 5 or a 3 and a head? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.3 | 0.2 | | pink | yellow | green | | Color |
How many pink balls were in the bag? | |
[1] |