Probability Powerplay

Level 6, 2026-06-20

A bag has 5 balls with numbers from 5 to 9. You take out 1 ball.
What is the probability of getting a ball with a number more than 5?

[1]

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

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

What is the probability of the kids to score exactly 5?

[2]

There are 55 balls in a bag. This is is the probability distribution of their color:


0.2	0.8
blue	red
Color

How many red balls were in the bag?

[1]

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

kids
Score	0	6
	1	5
	2
	3	4
	4	1
	5	6

What fraction of the kids score more than 3?

[2]

There are 40 balls in a bag. This is is the probability distribution of their color:


0.2	0.5	0.3
red	orange	blue
Color

How many red balls were in the bag?

[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]

There are 30 balls in a bag. This is is the probability distribution of their color:


0.5	0.5
red	purple	blue
Color

How many red balls were in the bag?

[1]

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


0.2	0.2	0.6
purple	orange	yellow
Color

If you choose a random ball from the bag, what is the probability of it being yellow?

[1]

A bag has 10 red balls, 5 green balls and 3 blue balls. You take out 1 ball.
What is the probability of NOT getting a red ball?

[1]

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

people
Bananas	0	3
	1	5
	2	4
	3	4

What fraction of the people eat exactly 4 Bananas in a day?

[2]

A bag has 2 red balls, 5 blue balls and 3 yellow balls. You take out a yellow ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball?

[1]

A bag has 8 balls with number 6 and 8 balls with a number 8. You take out 1 ball.
What is the probability of getting the ball with the number 6?

[1]

A group of girls were timed running 100m. Here are the results:

Time	girls
13	2
14	3
15	6
16	6
17	3

What is the probability of the girls to run 100m in less than 13s?

[2]

Roll 132 6-sided dice.
How many times would you expect to get more than or equal to 3?

[1]

A wheel has 3 orange sections and 5 yellow sections.
What is the probability of getting yellow?

[1]

There are 30 balls in a bag. This is is the probability distribution of their color:


0.8	0.1	0.1
red	blue	green
Color

If you choose a random ball from the bag, what is the probability of it being green?

[1]