Probability Powerplay
Level 6, 2026-07-17
A bag has 6 red balls and 3 blue balls. You take out 1 red ball, then another ball.
What is the probability of getting red for the second ball?
[1]
Flip 2 coins.
What is the probability of getting a head and a tail?
[1]
We asked a group of humans how many Pillows they eat in a day. Here are the results:
humans

654
0123
Pillows

What is the probability of the humans to eat exactly 0 Pillows in a day?
[2]
There are 70 balls in a bag. This is is the probability distribution of their color:


0.20.50.3
yelloworangepink
Color

If you choose a random ball from the bag, what is the probability of it being pink or 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:


0.150.250.250.35
12345
Number

What is the probability of rolling a number that is smaller than 3?
[1]
A group of people were timed running 100m. Here are the results:
people

Time132
141
154
165
175

What is the probability of the people to run 100m in more than 17s?
[2]
The chances of feeling like icecream are 50%. The chances of being near an icecream store are 80%. There is a 10% chance that you lost all your money.
What is the probability of having icecream?
[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:


0.60.150.20.05
12345
Number

What is the probability of rolling a number that is smaller than 3?
[1]
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 3?
[1]
A group of girls did a math test and here are their scores out of 5:
girls

453132
012345
Score

What fraction of the girls score exactly 2?
[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:


0.60.20.150.05
12345
Number

What is the probability of rolling a number that is smaller than or equal to 4?
[1]
A wheel has 6 sections, each has a reward in dollars, from $1 through to $6.
What prize do we expect to get if we spin the wheel?
[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:


0.10.150.250.5
12345
Number

What is the probability of rolling a number from 1 to 2?
[1]
There are 70 balls in a bag. This is is the probability distribution of their color:


0.40.40.2
orangeredblue
Color

If you choose a random ball from the bag, what is the probability of it being orange?
[1]
Flip a coin 16 times.
Each time a head comes up you win $3 and with each tail you lose $2. 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:


0.60.20.050.15
12345
Number

What is the probability of rolling 3 or 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:


0.10.20.7
12345
Number

What is the probability of rolling a number that is bigger than or equal to 4?
[1]