Probability Powerplay
Level 6, 2026-04-17
There are 40 balls in a bag. This is is the probability distribution of their color:


0.10.40.5
blueredorange
Color

How many orange balls were in the bag?
[1]
Roll 132 6-sided dice.
How many times would you expect to get less than 3?
[1]
A wheel has 11 sections, each has a reward in dollars, from $1 through to $11.
What prize do we expect to get if we spin the wheel?
[1]
A group of dogs were timed running 100m. Here are the results:
dogs

455
1314151617
Time

What fraction of the dogs run 100m in less than 16s?
[2]
A bag has 5 red balls, 6 green balls and 3 blue balls. You take out 1 ball.
What is the probability of getting a blue ball?
[1]
We asked a group of people how many Pillows they eat in a day. Here are the results:
people

Pillows02
16
24
36

What is the probability of the people to eat less than 0 Pillows in a day?
[2]
Roll 12 6-sided dice.
How many times would you expect to get more than or equal to 2?
[1]
A bag has 7 balls with numbers from 3 to 9. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 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:


0.450.20.20.050.1
12345
Number

What is the probability of rolling a number that is bigger than 2 or smaller than 4?
[1]
Roll 84 6-sided dice.
How many times would you expect to get more than 1?
[1]
There are 50 balls in a bag. This is is the probability distribution of their color:


0.90.1
purplegreenorange
Color

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

1411
1314151617
Time

What is the probability of the people to run 100m in less than 13s?
[2]
A bag has 6 red balls, 8 blue balls and 4 yellow balls. You take out a yellow ball, then a yellow ball, then another ball.
What is the probability of getting blue for the last ball?
[1]
A bag has 5 balls with numbers from 5 to 9. You take out 1 ball.
What is the probability of NOT getting the ball with the number 10?
[1]
Roll 2 6-sided dice.
What is the probability of getting a 4 on both dice?
[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:


0.90.050.05
12345
Number

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


0.250.75
12345
Number

What is the probability of rolling 2 or 5?
[1]