Probability Powerplay
Level 6, 2026-07-12
You shoot an arrow at a target. You will either score 10 (10% chance), 30 (10% chance), or 50. What average score do you expect to get if you do this many times?
[1]
A group of humans were timed running 100m. Here are the results:
Timehumans
131
144
156
160
175

What is the probability of the humans to run 100m in less than 15s?
[2]
A bag has 2 red balls, 2 blue balls and 3 yellow balls. You take out a blue ball, then a yellow ball, then another ball.
What is the probability of getting red for the last ball?
[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:


0.10.9
12345
Number

What is the probability of rolling a number that is bigger than 2 and smaller than 1?
[1]
We asked a group of girls how many Chocolates they eat in a month. Here are the results:
girls

1122
0123
Chocolates

What is the probability of the girls to eat exactly 3 Chocolates in a month?
[2]
We asked a group of people how many Sandwiches they eat in a day. Here are the results:
people

Sandwiches02
15
21
3

What is the probability of the people to eat exactly 1 Sandwiches in a day?
[2]
Roll 24 6-sided dice.
How many times would you expect to get anything except 4?
[1]
We asked a group of boys how many Bowls of Ramen they eat in a week. Here are the results:
Bowls of Ramenboys
05
14
24
33

What is the probability of the boys to eat exactly 4 Bowls of Ramen in a week?
[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:


0.30.250.250.2
12345
Number

What is the probability of rolling a number that is smaller than or equal to 2?
[1]
A group of girls did a math test and here are their scores out of 5:
girls

Score0
15
2
3
45
53

What fraction of the girls score more than 0?
[2]
We asked a group of kids how many Peaches they eat in a day. Here are the results:
kids

Peaches03
14
23
36

What is the probability of the kids to eat exactly 1 Peaches in a day?
[2]
A group of humans were timed running 100m. Here are the results:
Timehumans
130
145
150
166
172

What is the probability of the humans to run 100m in less than 16s?
[2]
You shoot an arrow at a target. There is a 70% chance of scoring a 20 and a 30% chance of scoring a 40. What average score do you expect to get if you do this many times?
[1]