Probability Powerplay
Level 6, 2026-07-11
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 4?
[1]
A bag has 4 balls with number 2 and 5 balls with a number 7. You take out 1 ball.
What is the probability of getting the ball with the number 2?
[1]
There are 90 balls in a bag. This is is the probability distribution of their color:


0.90.1
purpleyelloworange
Color

How many orange balls were in the bag?
[1]
A bag has 4 balls with number 2 and 2 balls with a number 9. What will be the average of the numbers of the balls taken out of the bag
[1]
There are 90 balls in a bag. This is is the probability distribution of their color:


0.40.20.4
purpleorangepink
Color

If you choose a random ball from the bag, what is the probability of it not being orange?
[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:


0.050.10.10.75
12345
Number

What is the probability of rolling a number that is bigger than 3 and smaller than 2?
[1]
A bag has 2 balls with numbers from 1 to 2. You take out 1 ball.
What is the probability of getting a ball with an odd number?
[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:


0.650.050.050.20.05
12345
Number

What is the probability of rolling 2 or 3?
[1]
Roll 24 6-sided dice.
How many times would you expect to get anything except 6?
[1]
There are 80 balls in a bag. This is is the probability distribution of their color:


1
blueorangepurple
Color

If you choose a random ball from the bag, what is the probability of it being purple or orange?
[1]
A bag has 8 balls with number 4 and 9 balls with a number 4. What will be the average of the numbers of the balls taken out of 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:


0.20.250.150.4
12345
Number

What is the probability of rolling a number that is bigger than 1?
[1]
We asked a group of kids how many Peaches they eat in a month. Here are the results:
kids

146
0123
Peaches

What is the probability of the kids to eat exactly 3 Peaches in a month?
[2]
A bag has 5 balls with numbers from 2 to 6. You take out 1 ball.
What is the probability of NOT getting the ball with the number 7?
[1]
Flip a coin 4 times.
Each time a head comes up you win $1 and with each tail you lose $4. It costs $4 to play (paid once). How much money would you expect to make altogether?
[1]
A group of humans were timed running 100m. Here are the results:
humans

54312
1314151617
Time

What fraction of the humans run 100m in less than 16s?
[2]
There are 20 balls in a bag. This is is the probability distribution of their color:


0.30.20.5
yellowredpurple
Color

How many red balls were in the bag?
[1]
Flip a coin 4 times.
Each time a head comes up you win $4 and with each tail you lose $1. It costs $6 to play (paid once). How much money would you expect to make altogether?
[1]