Probability Powerplay
Level 6, 2026-09-16
A group of dogs were timed running 100m. Here are the results:
Timedogs
132
145
156
163
175

What fraction of the dogs run 100m in less than 17s?
[2]
A bag has 8 balls with number 4 and 5 balls with a number 2. What will be the average of the numbers of the balls taken out of the bag
[1]
We asked a group of boys how many Strawberries they eat in a week. Here are the results:
boys

Strawberries02
1
22
33

What is the probability of the boys to eat exactly 3 Strawberries in a week?
[2]
A group of kids were timed running 100m. Here are the results:
kids

Time133
146
154
163
176

What is the probability of the kids to run 100m in exactly 14s?
[2]
There are 30 balls in a bag. This is is the probability distribution of their color:


0.50.5
redbluepurple
Color

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


0.20.10.10.6
12345
Number

What is the probability of rolling a number that is smaller than 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:


0.50.050.20.25
12345
Number

What is the probability of rolling a number that is bigger than 3 and smaller than 4?
[1]
There are 44 balls in a bag. This is is the probability distribution of their color:


0.250.75
bluepink
Color

How many pink balls were in 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:


0.10.050.85
12345
Number

What is the probability of rolling 1 or 2?
[1]
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 5?
[1]
The weather forecast says that the chances of rain are 70%. Your chance of being outside today is 50%. You flip a coin to decide whether to take your umbrella.
What is the probability of getting wet today?
[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:


0.50.050.20.25
12345
Number

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

1331
1314151617
Time

What is the probability of the humans to run 100m in more than 15s?
[2]
You shoot an arrow at a target. There is a 70% chance of scoring a 10 and a 30% chance of scoring a 50. What average score do you expect to get if you do this many times?
[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:


0.20.10.7
12345
Number

What is the probability of rolling a number that is bigger than or equal to 1?
[1]
A bag has 4 balls with number 1 and 7 balls with a number 7. You take out 1 ball.
What is the probability of getting the ball with the number 7?
[1]