Probability Powerplay
Level 6, 2026-06-13
A bag has 7 balls with number 9 and 3 balls with a number 3. What will be the average of the numbers of the balls taken out of the bag
[1]
The chances of feeling like icecream are 70%. The chances of being near an icecream store are 40%. There is a 10% chance that you lost all your money.
What is the probability of having icecream?
[1]
A bag has 9 red balls, 8 blue balls and 5 yellow balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting blue for the last ball?
[1]
There are 32 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]
Roll 2 6-sided dice.
What is the probability of getting a 4 on both dice?
[1]
A group of boys were timed running 100m. Here are the results:
boys

214
1314151617
Time

What is the probability of the boys to run 100m in more than 17s?
[2]
Roll 42 6-sided dice.
How many times would you expect to get anything except 2?
[1]
There are 60 balls in a bag. This is is the probability distribution of their color:


0.30.7
redpinkblue
Color

If you choose a random ball from the bag, what is the probability of it being red or pink?
[1]
Roll 54 6-sided dice.
How many times would you expect to get more than 6?
[1]
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than 3?
[1]
The weather forecast says that the chances of rain are 70%. The chance of remembering your umbrella is 70%. Your chance of being outside today are 60%.
What is the probability of getting wet today?
[1]
A bag has 6 balls with numbers from 2 to 7. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 3?
[1]
We asked a group of humans how many Oranges they eat in a day. Here are the results:
humans

412
0123
Oranges

What fraction of the humans eat more than 2 Oranges in a day?
[2]
Roll 36 6-sided dice.
How many times would you expect to get an ugly 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:


0.550.20.25
12345
Number

What is the probability of rolling a number that is bigger than 3 and smaller than 4?
[1]
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 2?
[1]
The weather forecast says that the chances of rain are 70%. Your chance of being outside today is 40%. You flip a coin to decide whether to take your umbrella.
What is the probability of getting wet today?
[1]
You flip a coin and roll a 6 sided die.
What is the probability of getting a 6 or a 1 and a head?
[1]