A group of people were timed running 100m. Here are the results:
people
| | 1 | 6 | 1 | 3 | 5 | | 13 | 14 | 15 | 16 | 17 | | Time |
What fraction of the people run 100m in exactly 16s?
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[2] | There are 50 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] |
Flip a coin 14 times.
Each time a Tail comes up you win $1. It costs $27 to play (paid once). How much money would you expect to make altogether? | |
[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 3 and smaller than 1? | |
[1] |
A group of humans did a math test and here are their scores out of 5:
What is the probability of the humans to score exactly 3? | |
[2] | Flip a coin 6 times.
Each time a head comes up you win $1 and with each tail you lose $4. How much money would you expect to make altogether? | |
[1] |
A bag has 2 balls with numbers from 1 to 2. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 2? | |
[1] | A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in exactly 15s?
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[2] |
| You shoot an arrow at a target. There is a 30% chance of scoring a 20 and a 10% chance of scoring a 30 and a 60% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] | The chances of feeling like icecream are 70%. The chances of being near an icecream store are 90%. There is a 20% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
A bag has 11 balls with numbers from 1 to 11. You take out 1 ball.
What is the probability of getting a ball with a number more than 12? | |
[1] | A bag has 10 balls with numbers from 2 to 11. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 12? | |
[1] |
There are 60 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | We asked a group of kids how many Burgers they eat in a month. Here are the results:
What is the probability of the kids to eat exactly 0 Burgers in a month? | |
[2] |
We asked a group of humans how many Oranges they eat in a day. Here are the results:
What is the probability of the humans to eat more than 4 Oranges in a day? | |
[2] |