You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than or equal to 3? | |
[1] | A group of kids did a math test and here are their scores out of 5:
What is the probability of the kids to score more than 5? | |
[2] |
A group of humans were timed running 100m. Here are the results:
| Time | humans | | 13 | 6 | | 14 | 2 | | 15 | 4 | | 16 | 2 | | 17 | 1 |
What fraction of the humans run 100m in more than 16s?
| |
[2] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.3 | 0.5 | | orange | purple | red | | Color |
How many orange balls were in the bag? | |
[1] |
A group of humans were timed running 100m. Here are the results:
| Time | humans | | 13 | 4 | | 14 | 1 | | 15 | 0 | | 16 | 3 | | 17 | 6 |
What fraction of the humans run 100m in more than 17s?
| |
[2] | 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 exactly 4? | |
[2] |
| You shoot an arrow at a target. There is a 40% chance of scoring a 30, a 30% chance of scoring a 60, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] | You roll a 6 sided die and a 5 sided die.
What is the probability of getting 4 on both dice? | |
[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:
| | 0.6 | 0.1 | 0.1 | 0.05 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 5 and smaller than 2? | |
[1] | We asked a group of kids how many Pizzas they eat in a week. Here are the results:
What fraction of the kids eat exactly 4 Pizzas in a week? | |
[2] |
A bag has 9 balls with numbers from 1 to 9. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 0? | |
[1] | Flip 3 coins.
What is the probability of getting 3 heads? | |
[1] |
There are 6 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] | | You shoot an arrow at a target. You will either score 10 (30% chance), 40 (10% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] |
A wheel has 14 sections, each has a reward in dollars, from $1 through to $14.
What prize do we expect to get if we spin the wheel? | |
[1] |