Probability Powerplay
Level 6, 2025-12-23
We asked a group of girls how many Chocolates they eat in a month. Here are the results:
girls

5355
0123
Chocolates

What is the probability of the girls to eat exactly 4 Chocolates in a month?
[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:


0.250.75
12345
Number

What is the probability of rolling a number that is bigger than or equal to 4?
[1]
A group of humans were timed running 100m. Here are the results:
humans

Time131
14
155
163
174

What fraction of the humans run 100m in more than 15s?
[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:


0.250.10.150.050.45
12345
Number

What is the probability of rolling a 2?
[1]
There are 50 balls in a bag. This is is the probability distribution of their color:


0.10.9
pinkpurpleblue
Color

If you choose a random ball from the bag, what is the probability of it being purple?
[1]
Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are more than 3?
[1]
A wheel has 11 sections, each a number on it from 1 to 11. If you spin an even number you win that amount of dollars, if you spin an odd number you lose.
What prize do we expect to get if we spin the wheel?
[1]
A group of kids were timed running 100m. Here are the results:
Timekids
135
140
155
163
173

What fraction of the kids run 100m in less than 13s?
[2]
Roll 102 6-sided dice.
How many times would you expect to get an ugly number?
[1]
A bag has 8 balls with number 5 and 9 balls with a number 6. You take out 1 ball.
What is the probability of getting the ball with the number 5?
[1]
There are 100 balls in a bag. This is is the probability distribution of their color:


0.20.50.3
greenpinkred
Color

If you choose a random ball from the bag, what is the probability of it being pink or red?
[1]
There are 50 balls in a bag. This is is the probability distribution of their color:


0.90.1
purplegreen
Color

How many purple balls were in the bag?
[1]
We asked a group of people how many Bananas they eat in a day. Here are the results:
people

Bananas05
14
22
31

What fraction of the people eat more than 3 Bananas in a day?
[2]
Flip 2 coins.
What is the probability of getting a head and a tail?
[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:


0.150.050.8
12345
Number

What is the probability of rolling a number that is bigger than 2 and smaller than 5?
[1]
There are 50 balls in a bag. This is is the probability distribution of their color:


0.10.9
purplepinkred
Color

How many pink balls were in the bag?
[1]