The weather forecast says that the chances of rain are 40%. 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] | We asked a group of humans how many Icecreams they eat in a day. Here are the results:
What is the probability of the humans to eat more than 1 Icecreams in a day? | |
[2] |
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:
| | 0.1 | 0.2 | 0.25 | 0.2 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 3? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | purple | yellow | | Color |
Probability of Type
| | 0.7 | 0.3 | | wagon | sedan | | Type |
What is the probability of a car being a purple sedan? | |
[2] |
A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in exactly 17s?
| |
[2] | Roll 150 6-sided dice. How many times would you expect to get an odd number? | |
[1] |
You roll a 10 sided die and a 7 sided die. What is the probability of getting 3 on both dice? | |
[1] | A bag has 5 red balls and 9 blue balls. You take out a blue ball, then a red ball, then another ball. What is the probability of getting red for the last ball? | |
[1] |
Roll 1 6-sided die. What is the probability of getting a number bigger than or equal to 3? | |
[1] | There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.1 | 0.7 | | green | pink | purple | | Color |
How many purple balls were in the bag? | |
[1] |
A bag has 5 balls with numbers from 4 to 8. You take out 1 ball. What is the probability of NOT getting a ball with a number less than 9? | |
[1] | A group of dogs did a math test and here are their scores out of 5:
What fraction of the dogs score exactly 2? | |
[2] |
Roll a die 36 times. How many times would you expect to get a 1? | |
[1] | We asked a group of humans how many Peaches they eat in a month. Here are the results:
What fraction of the humans eat less than 1 Peaches in a month? | |
[2] |
You roll a 9 sided die and a 7 sided die. What is the probability of getting 4 on both dice? | |
[1] |