Probability Powerplay
Level 6, 2026-09-03
There are 70 balls in a bag. This is is the probability distribution of their color:


0.40.30.3
greenyellowpurple
Color

How many purple balls were in the bag?
[1]
A bag has 2 balls with number 8 and 8 balls with a number 5. You take out 1 ball.
What is the probability of getting the ball with the number 8?
[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:


0.60.150.20.05
12345
Number

What is the probability of rolling a number from 3 to 5?
[1]
We asked a group of humans how many Burgers they eat in a day. Here are the results:
Burgershumans
05
16
24
35

What is the probability of the humans to eat less than 0 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:


0.60.20.10.1
12345
Number

What is the probability of rolling a 2?
[1]
The weather forecast says that the chances of rain are 40%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 60%.
What is the probability of getting wet today?
[1]
A group of girls were timed running 100m. Here are the results:
Timegirls
136
142
156
160
176

What is the probability of the girls to run 100m in more than 15s?
[2]
You shoot an arrow at a target. You will either score 20 (50% chance), 40 (30% chance), or 60. What average score do you expect to get if you do this many times?
[1]
A group of humans did a math test and here are their scores out of 5:
humans

16535
012345
Score

What fraction of the humans score less than 1?
[2]
A wheel has 10 sections, each with a different reward.
What is the probability of getting a Gummy Bear?
[1]
Roll 96 6-sided dice.
How many times would you expect to get anything except 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:


0.10.9
12345
Number

What is the probability of rolling a number that is smaller than 2?
[1]
Flip 7 coins.
What is the probability of getting 7 tails?
[1]
We asked a group of boys how many Peaches they eat in a week. Here are the results:
boys

Peaches06
12
23
34

What fraction of the boys eat more than 0 Peaches in a week?
[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:


0.250.75
12345
Number

What is the probability of rolling a number that is smaller than 2?
[1]
A bag has 4 balls with numbers from 2 to 5. You take out 1 ball.
What is the probability of getting a ball with an even number?
[1]