Probability Powerplay
Level 6, 2026-10-17
Roll 108 6-sided dice.
How many times would you expect to get an ugly number?
[1]
Roll 1 6-sided die.
What is the probability of getting a number bigger than 1?
[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:


0.10.050.050.8
12345
Number

What is the probability of rolling a number that is bigger than 1 or smaller than 2?
[1]
There are 100 balls in a bag. This is is the probability distribution of their color:


0.10.9
bluered
Color

How many red balls were in the bag?
[1]
A bag has 10 red balls, 3 blue balls and 6 yellow balls. You take out a yellow ball, then a red ball, then another ball.
What is the probability of getting red 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:


0.20.150.050.6
12345
Number

What is the probability of rolling a 1?
[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:


0.850.15
12345
Number

What is the probability of rolling a number that is bigger than 2 or smaller than 3?
[1]
A group of people were timed running 100m. Here are the results:
people

Time131
145
155
162
176

What fraction of the people run 100m in less than 14s?
[2]
A group of dogs did a math test and here are their scores out of 5:
dogs

Score03
14
21
36
45
53

What is the probability of the dogs to score exactly 2?
[2]
There are 20 balls in a bag. This is is the probability distribution of their color:


0.10.9
greenpink
Color

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

432
1314151617
Time

What is the probability of the kids to run 100m in exactly 17s?
[2]
A bag has 9 red balls and 5 blue balls. You take out 1 blue ball, then another ball.
What is the probability of getting red for the second 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:


0.70.150.10.05
12345
Number

What is the probability of rolling a number from 3 to 5?
[1]
Roll 36 6-sided dice.
How many times would you expect to get an ugly 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:


0.10.150.20.20.35
12345
Number

What is the probability of rolling a number that is bigger than or equal to 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:


0.450.20.150.2
12345
Number

What is the probability of rolling a number from 2 to 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:


0.80.2
12345
Number

What is the probability of rolling 1 or 3?
[1]