Probability Powerplay
Level 6, 2026-07-05
A bag has 3 red balls and 9 blue balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting red for the last ball?
[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:


0.10.050.85
12345
Number

What is the probability of rolling 1 or 4?
[1]
There are 36 balls in a bag. This is is the probability distribution of their color:


0.250.75
pinkpurple
Color

How many purple balls were in the bag?
[1]
There are 50 balls in a bag. This is is the probability distribution of their color:


0.10.40.5
greenpurpleblue
Color

How many blue balls were in the bag?
[1]
A bag has 3 red balls and 10 blue balls. You take out 1 ball.
What is the probability of getting a red ball?
[1]
There are 2 balls in a bag. This is is the probability distribution of their color:


0.50.5
redorange
Color

How many orange balls were in the bag?
[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:


0.20.250.55
12345
Number

What is the probability of rolling a number that is smaller than or equal to 2?
[1]
A wheel has 4 sections, 2 of each color.
What is the probability of getting orange?
[1]
A bag has 3 balls with numbers from 1 to 3. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 0?
[1]
Roll 30 6-sided dice.
How many times would you expect to get more than 1?
[1]
Cars go by on a road, each is a different color and type.

Probability of Color

0.80.2
purplepink
Color

Probability of Type

0.90.1
wagonsedan
Type

What is the probability of a car being a pink wagon?
[2]
Roll 102 6-sided dice.
How many times would you expect to get a number more than 0?
[1]
A group of people were timed running 100m. Here are the results:
people

Time133
141
151
165
174

What is the probability of the people to run 100m in less than 16s?
[2]
There are 40 balls in a bag. This is is the probability distribution of their color:


0.80.2
blueorangered
Color

If you choose a random ball from the bag, what is the probability of it being blue?
[1]
Roll 54 6-sided dice.
How many times would you expect to get 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:


0.250.250.150.35
12345
Number

What is the probability of rolling a 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:


0.150.85
12345
Number

What is the probability of rolling 4 or 5?
[1]
Roll 144 6-sided dice.
How many times would you expect to get more than 5?
[1]