Probability Powerplay

Level 6, 2026-09-10

Roll 84 6-sided dice.
How many times would you expect to get more than or equal to 4?

[1]

A bag has 2 balls with number 7 and 7 balls with a number 3. What will be the average of the numbers of the balls taken out of the bag

[1]

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

Time	girls
13	4
14	2
15	3
16	0
17	0

What fraction of the girls run 100m in exactly 13s?

[2]

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

people
Time	13	5
	14	5
	15	4
	16	3
	17	1

What fraction of the people run 100m in exactly 16s?

[2]

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

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

What fraction of the humans score exactly 3?

[2]

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

[1]

There are 100 balls in a bag. This is is the probability distribution of their color:


0.2	0.2	0.6
blue	red	purple
Color

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

[1]

There are 36 balls in a bag. This is is the probability distribution of their color:


0.75	0.25
purple	green
Color

How many green balls were in the bag?

[1]

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

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

What fraction of the kids score more than 0?

[2]

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

Apples	dogs
0	5
1	5
2	6
3	4

What is the probability of the dogs to eat exactly 2 Apples in a day?

[2]

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

dogs
Pillows	0	1
	1	1
	2	1
	3	2

What fraction of the dogs eat exactly 4 Pillows 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:


0.2		0.1		0.7
1	2	3	4	5
Number

What is the probability of rolling a number that is bigger than 2 or smaller than 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:


0.55		0.1	0.1	0.25
1	2	3	4	5
Number

What is the probability of rolling a number that is bigger than 3 or smaller than 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:


	0.1	0.15		0.75
1	2	3	4	5
Number

What is the probability of rolling a number from 2 to 3?

[1]