Probability Powerplay
Level 6, 2026-01-12
There are 80 balls in a bag. This is is the probability distribution of their color:


0.60.4
redorangepurple
Color

If you choose a random ball from the bag, what is the probability of it not being orange?
[1]
You shoot an arrow at a target. You will either score 10 (50% chance), 40 (10% chance), or 60. What average score do you expect to get if you do this many times?
[1]
A group of humans were timed running 100m. Here are the results:
humans

4462
1314151617
Time

What is the probability of the humans to run 100m in exactly 14s?
[2]
A group of kids were timed running 100m. Here are the results:
kids

46235
1314151617
Time

What is the probability of the kids to run 100m in less than 16s?
[2]
There are 30 balls in a bag. This is is the probability distribution of their color:


0.60.30.1
redyellowpink
Color

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

Pillows0
16
26
34

What fraction of the boys eat exactly 1 Pillows in a month?
[2]
We asked a group of dogs how many Chocolates they eat in a day. Here are the results:
dogs

Chocolates04
11
2
36

What is the probability of the dogs to eat exactly 2 Chocolates in a day?
[2]
There are 50 balls in a bag. This is is the probability distribution of their color:


0.10.9
pinkyellow
Color

How many pink balls were in the bag?
[1]
Roll 1 6-sided die.
What is the probability of NOT getting a 6?
[1]
A bag has 2 red balls, 5 blue balls and 3 yellow balls. You take out a yellow ball, then a yellow ball, then another ball.
What is the probability of getting red for the last ball?
[1]
A group of people did a math test and here are their scores out of 5:
people

2111
012345
Score

What is the probability of the people to score exactly 5?
[2]
Roll 2 6-sided dice.
What is the probability of getting a 6 on both dice?
[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:


0.750.050.150.05
12345
Number

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


0.750.10.15
12345
Number

What is the probability of rolling a number that is bigger than 3 and smaller than 5?
[1]
The weather forecast says that the chances of rain are 40%. Your chance of being outside today is 70%. The chance of remembering your umbrella is 40%.
What is the probability of getting wet today?
[1]