A bag has 7 balls with numbers from 5 to 11. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 11? | |
[1] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 3? | |
[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:
| | 0.55 | 0.15 | 0.15 | 0.15 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4? | |
[1] | A bag has 5 balls with number 8 and 8 balls with a number 7. You take out 1 ball.
What is the probability of getting the ball with the number 8? | |
[1] |
Roll 24 6-sided dice.
How many times would you expect to get less than or equal to 3? | |
[1] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.4 | 0.5 | | purple | pink | orange | | Color |
If you choose a random ball from the bag, what is the probability of it not being purple or orange? | |
[1] |
A group of people were timed running 100m. Here are the results:
people
| | 5 | 3 | 6 | 3 | 5 | | 13 | 14 | 15 | 16 | 17 | | Time |
What is the probability of the people to run 100m in exactly 14s?
| |
[2] | A bag has 4 balls with numbers from 4 to 7. You take out 1 ball.
What is the probability of NOT getting the ball with the number 6? | |
[1] |
Roll 72 6-sided dice.
How many times would you expect to get less than 6? | |
[1] | | A bag has 7 balls with number 1 and 9 balls with a number 6. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
We asked a group of girls how many Burgers they eat in a month. Here are the results:
What is the probability of the girls to eat more than 4 Burgers in a month? | |
[2] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.4 | 0.4 | | purple | orange | green | | Color |
If you choose a random ball from the bag, what is the probability of it not being purple or orange? | |
[1] |
A wheel has 4 purple sections and 4 pink sections.
What is the probability of getting pink? | |
[1] | We asked a group of dogs how many Chocolates they eat in a week. Here are the results:
What fraction of the dogs eat more than 2 Chocolates in a week? | |
[2] |
Flip a coin 18 times.
Each time a Head comes up you win $3. How much money would you expect to make altogether? | |
[1] | 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 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:
| | 0.75 | | 0.15 | 0.05 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 1 or 2? | |
[1] |