Probability Powerplay
Level 6, 2026-10-15
We asked a group of girls how many Icecreams they eat in a day. Here are the results:
girls

143
0123
Icecreams

What is the probability of the girls to eat exactly 2 Icecreams in a day?
[2]
A bag has 9 red balls, 2 blue balls and 3 yellow balls. You take out a blue ball, then a blue ball, then another ball.
What is the probability of getting yellow for the last ball?
[1]
There are 100 balls in a bag. This is is the probability distribution of their color:


0.10.9
pinkgreen
Color

How many pink balls were in the bag?
[1]
A group of boys were timed running 100m. Here are the results:
boys

3535
1314151617
Time

What fraction of the boys run 100m in exactly 13s?
[2]
A group of kids were timed running 100m. Here are the results:
Timekids
133
146
156
160
172

What fraction of the kids run 100m in more than 16s?
[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:


0.70.10.150.05
12345
Number

What is the probability of rolling a 4?
[1]
Roll 108 6-sided dice.
How many times would you expect to get anything except 3?
[1]
A group of boys did a math test and here are their scores out of 5:
boys

6635
012345
Score

What is the probability of the boys to score less than 3?
[2]
Roll 1 6-sided die.
What is the probability of getting a number bigger than 3?
[1]
A group of girls were timed running 100m. Here are the results:
girls

Time136
14
155
163
174

What fraction of the girls run 100m in more than 17s?
[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:


0.050.150.20.6
12345
Number

What is the probability of rolling a number that is bigger than 5 and smaller than 3?
[1]
A group of girls were timed running 100m. Here are the results:
Timegirls
136
141
150
160
174

What is the probability of the girls to run 100m in exactly 17s?
[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:


0.70.050.050.10.1
12345
Number

What is the probability of rolling a number that is bigger than 3 and smaller than 4?
[1]
There are 80 balls in a bag. This is is the probability distribution of their color:


0.50.5
redpinkgreen
Color

How many red balls were in the bag?
[1]