Probability Powerplay
Level 6, 2026-08-04
A group of humans did a math test and here are their scores out of 5:
humans

Score01
13
24
35
44
56

What fraction of the humans score more than 5?
[2]
Roll 144 6-sided dice.
How many times would you expect to get anything except 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:


0.650.150.2
12345
Number

What is the probability of rolling a number that is bigger than 3 and smaller than 5?
[1]
Roll 6 6-sided dice.
How many times would you expect to get more than or equal to 3?
[1]
A bag has 8 balls with numbers from 3 to 10. You take out 1 ball.
What is the probability of getting a ball with a number less than 7?
[1]
The chances of feeling like icecream are 90%. The chances of being near an icecream store are 80%. There is a 20% chance that you lost all your money.
What is the probability of having icecream?
[1]
A bag has 2 balls with number 7 and 8 balls with a number 4. You take out 1 ball.
What is the probability of getting the ball with the number 7?
[1]
You flip a coin and roll a 7 sided die.
What is the probability of getting a 5 and a head?
[1]
A group of dogs were timed running 100m. Here are the results:
Timedogs
136
141
156
161
174

What is the probability of the dogs to run 100m in exactly 14s?
[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:


0.650.20.15
12345
Number

What is the probability of rolling a number that is bigger than 3 and smaller than 5?
[1]
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than 6?
[1]
A group of humans were timed running 100m. Here are the results:
humans

Time131
145
152
163
17

What is the probability of the humans to run 100m in more than 15s?
[2]
A group of dogs were timed running 100m. Here are the results:
dogs

53121
1314151617
Time

What fraction of the dogs run 100m in exactly 15s?
[2]
A group of kids did a math test and here are their scores out of 5:
kids

Score02
15
25
36
4
54

What fraction of the kids score exactly 0?
[2]
A wheel has 9 sections, each has a reward in dollars, from $1 through to $9.
What prize do we expect to get if we spin the wheel?
[1]