| You shoot an arrow at a target. You will either score 10 (10% chance), 30 (10% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] | A group of humans were timed running 100m. Here are the results:
| Time | humans | | 13 | 1 | | 14 | 4 | | 15 | 6 | | 16 | 0 | | 17 | 5 |
What is the probability of the humans to run 100m in less than 15s?
| |
[2] |
A bag has 2 red balls, 2 blue balls and 3 yellow balls. You take out a blue ball, then a yellow ball, then another ball.
What is the probability of getting red for the last ball? | |
[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:
What is the probability of rolling a number that is bigger than 2 and smaller than 1? | |
[1] |
We asked a group of girls how many Chocolates they eat in a month. Here are the results:
What is the probability of the girls to eat exactly 3 Chocolates in a month? | |
[2] | We asked a group of people how many Sandwiches they eat in a day. Here are the results:
What is the probability of the people to eat exactly 1 Sandwiches in a day? | |
[2] |
Roll 24 6-sided dice.
How many times would you expect to get anything except 4? | |
[1] | We asked a group of boys how many Bowls of Ramen they eat in a week. Here are the results:
| Bowls of Ramen | boys | | 0 | 5 | | 1 | 4 | | 2 | 4 | | 3 | 3 |
What is the probability of the boys to eat exactly 4 Bowls of Ramen in a week? | |
[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:
| | 0.3 | 0.25 | 0.25 | | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 2? | |
[1] | A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score more than 0? | |
[2] |
We asked a group of kids how many Peaches they eat in a day. Here are the results:
What is the probability of the kids to eat exactly 1 Peaches in a day? | |
[2] | A group of humans were timed running 100m. Here are the results:
| Time | humans | | 13 | 0 | | 14 | 5 | | 15 | 0 | | 16 | 6 | | 17 | 2 |
What is the probability of the humans to run 100m in less than 16s?
| |
[2] |
| You shoot an arrow at a target. There is a 70% chance of scoring a 20 and a 30% chance of scoring a 40. What average score do you expect to get if you do this many times? | |
[1] |