Roll 30 6-sided dice.
How many times would you expect to get less than or equal to 4? | |
[1] | We asked a group of boys how many Pillows they eat in a day. Here are the results:
What fraction of the boys eat more than 0 Pillows 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:
| | 0.7 | 0.1 | | 0.05 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 2? | |
[1] | Roll 126 6-sided dice.
How many times would you expect to get anything except 2? | |
[1] |
A group of people were timed running 100m. Here are the results:
people
| |
| Time | 13 | 4 | | 14 | 6 | | 15 | 1 | | 16 | 4 | | 17 | 6 |
What fraction of the people run 100m in more than 14s?
| |
[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:
| | 0.45 | | 0.25 | 0.25 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] |
Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are 1 or 4? | |
[1] | A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in less than 16s?
| |
[2] |
A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in exactly 14s?
| |
[2] | You flip a coin and roll a 6 sided die.
What is the probability of getting a 5 and a head? | |
[1] |
A bag has 5 balls with numbers from 5 to 9. You take out 1 ball.
What is the probability of NOT getting the ball with the number 10? | |
[1] | An obstacle course has 2 Fences and 1 Ditches. You have a 90% chance of clearing a Fence and a 100% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[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:
| | 0.4 | 0.25 | | 0.25 | 0.1 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 4? | |
[1] | An obstacle course has 2 Fences and 1 Ditches. You have a 100% chance of clearing a Fence and a 80% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] |
A group of girls did a math test and here are their scores out of 5:
What is the probability of the girls to score less than 5? | |
[2] |