Roll 42 6-sided dice.
How many times would you expect to get a number less than 6? | |
[1] | Roll 60 6-sided dice.
How many times would you expect to get a number less than 0? | |
[1] |
Flip a coin 10 times.
Each time a head comes up you win $2 and with each tail you lose $2. How much money would you expect to make altogether? | |
[1] | There are 5 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] |
Roll 144 6-sided dice.
How many times would you expect to get more than 2? | |
[1] | A bag has 3 red balls, 8 green balls and 5 blue balls. You take out 1 ball.
What is the probability of NOT getting a blue ball? | |
[1] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a number less than 1 and a tail? | |
[1] | | You shoot an arrow at a target. There is a 50% chance of scoring a 30, a 20% chance of scoring a 40, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
A group of people did a math test and here are their scores out of 5:
What fraction of the people score more than 4? | |
[2] | A bag has 3 balls with numbers from 2 to 4. You take out 1 ball.
What is the probability of getting a ball with a number less than 5? | |
[1] |
Roll 114 6-sided dice.
How many times would you expect to get anything except 5? | |
[1] | A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score exactly 1? | |
[2] |
We asked a group of people how many Burgers they eat in a week. Here are the results:
What is the probability of the people to eat more than 0 Burgers in a week? | |
[2] | A group of people were timed running 100m. Here are the results:
| Time | people | | 13 | 6 | | 14 | 2 | | 15 | 2 | | 16 | 0 | | 17 | 1 |
What fraction of the people run 100m in exactly 15s?
| |
[2] |
| You shoot an arrow at a target. There is a 70% chance of scoring a 10 and a 30% chance of scoring a 40. What average score do you expect to get if you do this many times? | |
[1] | Roll 18 6-sided dice.
How many times would you expect to get less than 6? | |
[1] |
|