Probability Powerplay
Level 6, 2026-05-15
There are 10 balls in a bag. This is is the probability distribution of their color:


0.40.30.3
bluepurplepink
Color

How many blue 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:


0.150.10.20.10.45
12345
Number

What is the probability of rolling a number that is bigger than 1?
[1]
We asked a group of girls how many Burgers they eat in a day. Here are the results:
girls

2115
0123
Burgers

What fraction of the girls eat less than 2 Burgers in a day?
[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:


0.050.10.050.8
12345
Number

What is the probability of rolling a number from 1 to 3?
[1]
You roll a 4 sided die and a 9 sided die.
What is the probability of getting 5 on both dice?
[1]
A group of humans were timed running 100m. Here are the results:
Timehumans
131
143
156
162
171

What is the probability of the humans to run 100m in less than 14s?
[2]
A bag has 5 balls with numbers from 5 to 9. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 9?
[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:


0.20.250.20.20.15
12345
Number

What is the probability of rolling a number that is bigger than 4 and smaller than 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:


0.50.10.250.15
12345
Number

What is the probability of rolling a number that is smaller than 2?
[1]
A bag has 5 balls with number 7 and 8 balls with a number 2. What will be the average of the numbers of the balls taken out of the bag
[1]
Cars go by on a road, each is a different color and type.

Probability of Color

0.60.4
purplepink
Color

Probability of Type

0.90.1
wagonsedan
Type

What is the probability of a car being a purple wagon?
[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:


0.250.050.7
12345
Number

What is the probability of rolling 2 or 5?
[1]
A bag has 5 red balls, 9 green balls and 7 blue balls. You take out 1 ball.
What is the probability of getting a green ball?
[1]
A bag has 8 red balls, 5 green balls and 3 blue balls. You take out 1 ball.
What is the probability of NOT getting a green ball?
[1]
A bag has 10 red balls, 5 blue balls and 8 yellow balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting red for the last ball?
[1]
An obstacle course has 2 Fences and 1 Ditches. You have a 90% chance of clearing a Fence and a 100% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)?
[1]
Flip a coin 6 times.
Each time a head comes up you win $2 and with each tail you lose $3. How much money would you expect to make altogether?
[1]