Probability Powerplay
Level 6, 2026-09-15
The weather forecast says that the chances of rain are 90%. The chance of remembering your umbrella is 70%. Your chance of being outside today are 40%.
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:


0.50.20.050.25
12345
Number

What is the probability of rolling a number that is bigger than 3 or smaller than 5?
[1]
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 2?
[1]
We asked a group of humans how many Strawberries they eat in a week. Here are the results:
humans

3614
0123
Strawberries

What is the probability of the humans to eat exactly 1 Strawberries in a week?
[2]
You flip a coin and roll a 6 sided die.
What is the probability of getting a number more than 2 and a head?
[1]
Roll 102 6-sided dice.
How many times would you expect to get less than or equal to 4?
[1]
Flip a coin 8 times.
Each time a Tail comes up you win $2. 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:


0.60.20.2
12345
Number

What is the probability of rolling a number that is smaller than or equal to 3?
[1]
You shoot an arrow at a target. There is a 50% chance of scoring a 30, a 20% 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]
We asked a group of boys how many Apples they eat in a day. Here are the results:
boys

Apples06
15
21
36

What fraction of the boys eat exactly 4 Apples 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:


0.950.05
12345
Number

What is the probability of rolling a number that is smaller than 2?
[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:


0.050.050.050.10.75
12345
Number

What is the probability of rolling a number that is bigger than or equal to 4?
[1]
There are 90 balls in a bag. This is is the probability distribution of their color:


0.60.30.1
purpleredblue
Color

How many blue balls were in the bag?
[1]
We asked a group of people how many Peaches they eat in a month. Here are the results:
Peachespeople
02
13
23
31

What fraction of the people eat more than 2 Peaches in a month?
[2]
We asked a group of girls how many Sandwiches they eat in a day. Here are the results:
Sandwichesgirls
04
15
23
33

What is the probability of the girls to eat exactly 1 Sandwiches in a day?
[2]
Flip a coin 2 times.
Each time a Head comes up you win $2. It costs $3 to play (paid once). How much money would you expect to make altogether?
[1]