Probability Powerplay
Level 6, 2026-09-12
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:


0.250.10.150.20.3
12345
Number

What is the probability of rolling a number that is bigger than 3?
[1]
A bag has 4 balls with numbers from 2 to 5. You take out 1 ball.
What is the probability of NOT getting a ball with a number more 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:


0.70.250.05
12345
Number

What is the probability of rolling a number that is smaller than 4?
[1]
We asked a group of humans how many Icecreams they eat in a week. Here are the results:
humans

1126
0123
Icecreams

What is the probability of the humans to eat less than 2 Icecreams in a week?
[2]
A group of kids were timed running 100m. Here are the results:
Timekids
130
144
151
161
173

What fraction of the kids run 100m in less than 13s?
[2]
You flip a coin and roll a 10 sided die.
What is the probability of getting a 4 and a tail?
[1]
A group of girls did a math test and here are their scores out of 5:
Scoregirls
01
11
26
34
41
56

What is the probability of the girls to score less than 3?
[2]
There are 80 balls in a bag. This is is the probability distribution of their color:


0.30.20.5
greenbluepink
Color

If you choose a random ball from the bag, what is the probability of it not being pink?
[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:


0.050.050.9
12345
Number

What is the probability of rolling a number that is smaller than 4?
[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:


0.50.20.10.2
12345
Number

What is the probability of rolling a number that is smaller than 3?
[1]
Roll 42 6-sided dice.
How many times would you expect to get an odd number?
[1]
A bag has 3 balls with numbers from 1 to 3. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 1?
[1]
A group of dogs were timed running 100m. Here are the results:
dogs

Time13
14
153
166
171

What is the probability of the dogs to run 100m in exactly 14s?
[2]
A wheel has 13 sections, each has a reward in dollars, from $1 through to $13.
What prize do we expect to get if we spin the wheel?
[1]
There are 2 balls in a bag. This is is the probability distribution of their color:


0.50.5
greenorange
Color

How many orange 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:


0.450.150.150.25
12345
Number

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