Probability Powerplay
Level 6, 2026-06-19
A bag has 7 balls with numbers from 1 to 7. You take out 1 ball.
What is the probability of NOT getting the ball with the number 4?
[1]
You flip a coin and roll a 6 sided die.
What is the probability of getting a number more than 1 and a tail?
[1]
A bag has 2 balls with number 3 and 7 balls with a number 3. What will be the average of the numbers of the balls taken out of the bag
[1]
There are 4 balls in a bag. This is is the probability distribution of their color:


0.750.25
yelloworange
Color

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

4266
0123
Apples

What fraction of the humans eat less than 0 Apples in a day?
[2]
We asked a group of girls how many Popsicles they eat in a month. Here are the results:
girls

Popsicles06
14
22
33

What fraction of the girls eat exactly 1 Popsicles in a month?
[2]
A group of boys did a math test and here are their scores out of 5:
boys

625435
012345
Score

What is the probability of the boys to score exactly 0?
[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:


0.80.150.05
12345
Number

What is the probability of rolling a 3?
[1]
Roll 1 6-sided die.
What is the probability of getting an odd number?
[1]
Roll 138 6-sided dice.
How many times would you expect to get less than or equal to 5?
[1]
Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are less than 3?
[1]
A group of dogs were timed running 100m. Here are the results:
dogs

Time132
144
15
164
175

What is the probability of the dogs to run 100m in exactly 16s?
[2]
Flip a coin 18 times.
Each time a head comes up you win $3 and with each tail you lose $4. It costs $36 to play (paid once). How much money would you expect to make altogether?
[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:


0.90.1
12345
Number

What is the probability of rolling a number that is bigger than 1 and smaller than 2?
[1]
The weather forecast says that the chances of rain are 90%. The chance of remembering your umbrella is 60%. Your chance of being outside today are 40%.
What is the probability of getting wet today?
[1]
There are 24 balls in a bag. This is is the probability distribution of their color:


0.50.5
orangepurple
Color

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