Probability Powerplay
Level 6, 2026-05-07
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:


0.10.10.250.55
12345
Number

What is the probability of rolling a number that is smaller than or equal to 4?
[1]
A bag has 7 red balls and 9 blue balls. You take out 1 red ball, then another ball.
What is the probability of getting blue for the second ball?
[1]
Roll 1 6-sided die.
What is the probability of getting a number bigger than or equal to 4?
[1]
A group of girls were timed running 100m. Here are the results:
Timegirls
131
144
152
161
170

What is the probability of the girls to run 100m in less than 14s?
[2]
A group of people did a math test and here are their scores out of 5:
Scorepeople
04
11
20
33
45
56

What fraction of the people score less than 5?
[2]
Cars go by on a road, each is a different color and type.

Probability of Color

0.80.2
greenpink
Color

Probability of Type

0.90.1
wagonsedan
Type

What is the probability of a car being a pink sedan?
[2]
We asked a group of humans how many Oranges they eat in a week. Here are the results:
humans

Oranges01
1
21
33

What is the probability of the humans to eat less than 2 Oranges 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:


0.450.10.250.2
12345
Number

What is the probability of rolling a number that is bigger than 5 and 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:


0.650.10.20.05
12345
Number

What is the probability of rolling a number that is bigger than 4?
[1]
A group of humans did a math test and here are their scores out of 5:
humans

655166
012345
Score

What fraction of the humans score exactly 3?
[2]
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 5?
[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:


0.20.150.10.20.35
12345
Number

What is the probability of rolling a 3?
[1]
A group of kids did a math test and here are their scores out of 5:
kids

215455
012345
Score

What fraction of the kids score more than 0?
[2]
Roll 24 6-sided dice.
How many times would you expect to get more than or equal to 1?
[1]