Flip a coin 2 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] | Roll 90 6-sided dice.
How many times would you expect to get a number less than 0? | |
[1] |
We asked a group of dogs how many Strawberries they eat in a month. Here are the results:
What fraction of the dogs eat exactly 1 Strawberries in a month? | |
[2] | We asked a group of humans how many Chocolates they eat in a month. Here are the results:
What fraction of the humans eat exactly 2 Chocolates in a month? | |
[2] |
Flip a coin 14 times.
How many times would you expect to get Heads? | |
[1] | Roll 66 6-sided dice.
How many times would you expect to get an ugly number? | |
[1] |
| You shoot an arrow at a target. There is a 10% chance of scoring a 20 and a 20% chance of scoring a 30 and a 70% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] | We asked a group of people how many Pillows they eat in a day. Here are the results:
What fraction of the people eat exactly 4 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:
| | 0.05 | 0.1 | 0.2 | 0.05 | 0.6 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2? | |
[1] | A group of dogs did a math test and here are their scores out of 5:
What fraction of the dogs score exactly 5? | |
[2] |
We asked a group of kids how many Chocolates they eat in a month. Here are the results:
What is the probability of the kids to eat exactly 1 Chocolates in a month? | |
[2] | There are 50 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] |
Roll 54 6-sided dice.
How many times would you expect to get more than or equal to 2? | |
[1] | The weather forecast says that the chances of rain are 40%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 70%.
What is the probability of getting wet today? | |
[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 smaller than or equal to 4? | |
[1] |