Probability Powerplay

Level 6, 2026-09-24

There are 90 balls in a bag. This is is the probability distribution of their color:


0.1	0.9
pink	red
Color

How many red balls were in the bag?

[1]

A group of humans did a math test and here are their scores out of 5:

humans
Score	0	1
	1	3
	2	3
	3	5
	4	5
	5

What fraction of the humans score less than 2?

[2]

Roll 1 6-sided die.
What is the probability of getting a number bigger than or equal to 1?

[1]

We asked a group of humans how many Apples they eat in a week. Here are the results:

humans
Apples	0	4
	1	5
	2	1
	3	2

What fraction of the humans eat more than 2 Apples in a week?

[2]

We asked a group of humans how many Icecreams they eat in a day. Here are the results:

Icecreams	humans
0	1
1	2
2	1
3	6

What fraction of the humans eat more than 2 Icecreams in a day?

[2]

We asked a group of boys how many Icecreams they eat in a week. Here are the results:

boys
Icecreams	0	2
	1
	2	1
	3	4

What fraction of the boys eat exactly 2 Icecreams in a week?

[2]

A group of humans did a math test and here are their scores out of 5:

humans
3	5				3
0	1	2	3	4	5
Score

What fraction of the humans score less than 1?

[2]

Roll 150 6-sided dice.
How many times would you expect to get an ugly number?

[1]

Roll 1 6-sided die.
What is the probability of getting an odd number?

[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:


0.15	0.05	0.2		0.6
1	2	3	4	5
Number

What is the probability of rolling a number that is bigger than 2?

[1]

A wheel has 7 purple sections and 7 green sections.
What is the probability of getting green?

[1]

An obstacle course has 1 Fences and 2 Ditches. You have a 50% chance of clearing a Fence and a 90% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)?

[1]

A group of kids did a math test and here are their scores out of 5:

Score	kids
0	4
1	3
2	4
3	5
4	2
5	3

What fraction of the kids score less than 0?

[2]

There are 20 balls in a bag. This is is the probability distribution of their color:


0.3	0.3	0.4
yellow	purple	green
Color

If you choose a random ball from the bag, what is the probability of it not being green or purple?

[1]