Probability Powerplay
Level 6, 2026-06-26
There are 100 balls in a bag. This is is the probability distribution of their color:


0.50.5
yellowpurpleorange
Color

If you choose a random ball from the bag, what is the probability of it being orange or yellow?
[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]
A bag has 2 balls with number 3 and 5 balls with a number 7. You take out 1 ball.
What is the probability of getting the ball with the number 3?
[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:


0.750.10.050.1
12345
Number

What is the probability of rolling a 3?
[1]
There are 16 balls in a bag. This is is the probability distribution of their color:


0.50.5
purplered
Color

How many red balls were in the bag?
[1]
We asked a group of humans how many Pizzas they eat in a month. Here are the results:
humans

Pizzas03
14
21
34

What is the probability of the humans to eat exactly 1 Pizzas in a month?
[2]
A group of kids did a math test and here are their scores out of 5:
kids

126
012345
Score

What is the probability of the kids to score less than 3?
[2]
Roll 2 6-sided dice.
You add the two numbers. What is the probability of getting 12?
[1]
Flip a coin 2 times.
Each time a head comes up you win $4 and with each tail you lose $3. How much money would you expect to make altogether?
[1]
A group of girls were timed running 100m. Here are the results:
girls

Time13
146
152
166
174

What is the probability of the girls to run 100m in less than 14s?
[2]
There are 20 balls in a bag. This is is the probability distribution of their color:


0.30.7
orangeyellowblue
Color

If you choose a random ball from the bag, what is the probability of it being blue?
[1]
A group of girls did a math test and here are their scores out of 5:
Scoregirls
05
12
22
34
44
53

What fraction of the girls score exactly 4?
[2]
A bag has 4 balls with numbers from 2 to 5. You take out 1 ball.
What is the probability of NOT getting the ball with the number 3?
[1]
Roll 84 6-sided dice.
How many times would you expect to get a number less than 0?
[1]
A group of boys did a math test and here are their scores out of 5:
boys

Score02
16
2
3
41
55

What is the probability of the boys to score more than 4?
[2]