Probability Powerplay
Level 6, 2026-05-10
A group of kids were timed running 100m. Here are the results:
kids

Time135
146
153
161
171

What is the probability of the kids to run 100m in more than 13s?
[2]
A bag has 5 balls with numbers from 4 to 8. You take out 1 ball.
What is the probability of NOT getting the ball with the number 5?
[1]
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting exactly 4?
[1]
We asked a group of boys how many Bananas they eat in a month. Here are the results:
boys

4551
0123
Bananas

What fraction of the boys eat more than 1 Bananas in a month?
[2]
Flip a coin 18 times.
Each time a Head comes up you win $4. How much money would you expect to make altogether?
[1]
We asked a group of humans how many Burgers they eat in a month. Here are the results:
humans

541
0123
Burgers

What is the probability of the humans to eat more than 2 Burgers in a month?
[2]
There are 80 balls in a bag. This is is the probability distribution of their color:


0.60.4
pinkgreenred
Color

How many pink balls were in the bag?
[1]
Roll 126 6-sided dice.
How many times would you expect to get less than 2?
[1]
We asked a group of girls how many Pizzas they eat in a day. Here are the results:
Pizzasgirls
01
15
22
31

What fraction of the girls eat less than 1 Pizzas in a day?
[2]
There are 40 balls in a bag. This is is the probability distribution of their color:


0.10.50.4
pinkyelloworange
Color

How many orange balls were in the bag?
[1]
A bag has 2 red balls and 10 blue balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting red for the last ball?
[1]
You shoot an arrow at a target. There is a 50% chance of scoring a 30 and a 50% chance of scoring a 50. What average score do you expect to get if you do this many times?
[1]
A bag has 3 red balls, 9 blue balls and 7 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]
A bag has 2 red balls and 6 blue balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting red for the last ball?
[1]
A group of people were timed running 100m. Here are the results:
people

4334
1314151617
Time

What is the probability of the people to run 100m in less than 15s?
[2]