Probability Powerplay
Level 6, 2026-07-16
We asked a group of girls how many Apples they eat in a month. Here are the results:
girls

653
0123
Apples

What fraction of the girls eat less than 3 Apples in a month?
[2]
There are 60 balls in a bag. This is is the probability distribution of their color:


0.20.8
redorange
Color

How many red balls were in the bag?
[1]
Cars go by on a road, each is a different color and type.

Probability of Color

0.40.6
redpurple
Color

Probability of Type

0.90.1
wagonsedan
Type

What is the probability of a car being a red sedan?
[2]
There are 30 balls in a bag. This is is the probability distribution of their color:


0.20.8
pinkorangered
Color

If you choose a random ball from the bag, what is the probability of it not being orange?
[1]
A group of dogs did a math test and here are their scores out of 5:
Scoredogs
02
13
25
32
42
54

What is the probability of the dogs to score exactly 4?
[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:


0.450.050.150.10.25
12345
Number

What is the probability of rolling 2 or 3?
[1]
You shoot an arrow at a target. There is a 60% chance of scoring a 20, a 10% chance of scoring a 40, or you might miss completely and score 0. What average score do you expect to get if you do this many times?
[1]
Cars go by on a road, each is a different color and type.

Probability of Color

0.60.4
pinkorange
Color

Probability of Type

0.50.5
wagonsedan
Type

What is the probability of a car being a pink wagon?
[2]
Roll 150 6-sided dice.
How many times would you expect to get an ugly number?
[1]
You shoot an arrow at a target. There is a 20% chance of scoring a 20 and a 40% chance of scoring a 30 and a 40% chance of scoring a 50. What average score do you expect to get if you do this many times?
[1]
There are 60 balls in a bag. This is is the probability distribution of their color:


0.80.2
yelloworange
Color

How many orange balls were in the bag?
[1]
A group of girls were timed running 100m. Here are the results:
girls

Time133
142
151
165
171

What fraction of the girls run 100m in less than 17s?
[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:


0.250.150.6
12345
Number

What is the probability of rolling a number that is bigger than 1 and smaller than 5?
[1]
There are 12 balls in a bag. This is is the probability distribution of their color:


0.250.75
orangeyellow
Color

How many yellow balls were in the bag?
[1]
Roll 132 6-sided dice.
How many times would you expect to get less than 1?
[1]