A bag has 7 balls with numbers from 3 to 9. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 5? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | pink | yellow | | Color |
Probability of Type
| | 1 | | wagon | sedan | | Type |
What is the probability of a car being a pink sedan? | |
[2] |
Flip a coin 4 times.
Each time a Tail comes up you win $4. It costs $7 to play (paid once). How much money would you expect to make altogether? | |
[1] | There are 70 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 not being red? | |
[1] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.3 | 0.2 | | yellow | pink | orange | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange or yellow? | |
[1] | Roll 48 6-sided dice.
How many times would you expect to get less than or equal to 4? | |
[1] |
We asked a group of dogs how many Pillows they eat in a week. Here are the results:
What is the probability of the dogs to eat less than 3 Pillows in a week? | |
[2] | A bag has 6 red balls and 3 blue 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] |
We asked a group of humans how many Peaches they eat in a month. Here are the results:
What fraction of the humans eat exactly 2 Peaches in a month? | |
[2] | We asked a group of people how many Icecreams they eat in a month. Here are the results:
What fraction of the people eat exactly 2 Icecreams in a month? | |
[2] |
We asked a group of girls how many Hot dogs they eat in a week. Here are the results:
What is the probability of the girls to eat exactly 3 Hot dogs in a week? | |
[2] | Roll 12 6-sided dice.
How many times would you expect to get an ugly number? | |
[1] |
A bag has 5 red balls, 7 green balls and 7 blue balls. You take out 1 ball.
What is the probability of getting a blue ball or a red ball? | |
[1] | Roll 30 6-sided dice.
How many times would you expect to get less than or equal to 4? | |
[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 | 0.05 | 0.1 | 0.1 | 0.5 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1 or smaller than 2? | |
[1] |