Probability Powerplay
Level 6, 2026-06-12
Roll 1 6-sided die.
What is the probability of getting a number smaller than or equal to 4?
[1]
We asked a group of people how many Pillows they eat in a day. Here are the results:
people

Pillows05
13
25
35

What fraction of the people eat exactly 4 Pillows in a day?
[2]
Roll 144 6-sided dice.
How many times would you expect to get more than 2?
[1]
There are 30 balls in a bag. This is is the probability distribution of their color:


0.40.30.3
yellowredpink
Color

How many red balls were in the bag?
[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:


0.450.150.250.15
12345
Number

What is the probability of rolling a number that is bigger than 4?
[1]
A bag has 6 balls with number 3 and 4 balls with a number 5. You take out 1 ball.
What is the probability of getting the ball with the number 3?
[1]
There are 20 balls in a bag. This is is the probability distribution of their color:


0.50.5
pinkpurple
Color

How many pink balls were in the bag?
[1]
There are 20 balls in a bag. This is is the probability distribution of their color:


0.30.30.4
pinkyellowblue
Color

How many yellow balls were in the bag?
[1]
A group of people were timed running 100m. Here are the results:
people

Time133
144
151
164
172

What fraction of the people run 100m in exactly 16s?
[2]
A bag has 4 red balls and 2 blue balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting blue 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:


0.550.10.250.1
12345
Number

What is the probability of rolling a number that is bigger than 4 or smaller than 5?
[1]
A group of humans were timed running 100m. Here are the results:
Timehumans
133
143
156
162
170

What fraction of the humans run 100m in exactly 13s?
[2]
A bag has 6 red balls and 3 blue balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting blue for the last ball?
[1]
There are 80 balls in a bag. This is is the probability distribution of their color:


0.30.10.6
greenredyellow
Color

If you choose a random ball from the bag, what is the probability of it being green or yellow?
[1]
Roll 12 6-sided dice.
How many times would you expect to get less than or equal to 1?
[1]
Roll 90 6-sided dice.
How many times would you expect to get an even number?
[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:


0.150.050.150.65
12345
Number

What is the probability of rolling a number that is bigger than 4 and smaller than 5?
[1]