Probability Powerplay
Level 6, 2026-09-21
A group of kids were timed running 100m. Here are the results:
Timekids
130
140
154
160
170

What fraction of the kids run 100m in less than 15s?
[2]
There are 70 balls in a bag. This is is the probability distribution of their color:


0.80.2
redpurpleblue
Color

How many purple balls were in the bag?
[1]
A bag has 9 balls with numbers from 3 to 11. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 8?
[1]
A wheel has 4 pink sections and 8 green sections.
What is the probability of getting green?
[1]
A group of dogs did a math test and here are their scores out of 5:
Scoredogs
01
10
24
32
43
50

What fraction of the dogs score exactly 2?
[2]
We asked a group of boys how many Chocolates they eat in a week. Here are the results:
boys

21
0123
Chocolates

What fraction of the boys eat exactly 1 Chocolates 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:


0.050.20.250.5
12345
Number

What is the probability of rolling a number that is bigger than 2 or smaller than 3?
[1]
There are 20 balls in a bag. This is is the probability distribution of their color:


0.30.50.2
yelloworangepurple
Color

How many yellow 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:


0.550.150.050.20.05
12345
Number

What is the probability of rolling a number that is bigger than or equal to 3?
[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:


0.10.20.10.6
12345
Number

What is the probability of rolling a number that is bigger than or equal to 2?
[1]
A bag has 5 balls with number 2 and 7 balls with a number 2. What will be the average of the numbers of the balls taken out of the bag
[1]
Flip 3 coins.
What is the probability of getting 3 tails?
[1]
Roll 138 6-sided dice.
How many times would you expect to get an ugly number?
[1]
A group of people were timed running 100m. Here are the results:
people

3634
1314151617
Time

What fraction of the people run 100m in less than 13s?
[2]
You shoot an arrow at a target. There is a 60% chance of scoring a 30, a 10% chance of scoring a 60, or you might miss completely and score 0. What average score do you expect to get if you do this many times?
[1]
Roll 36 6-sided dice.
How many times would you expect to get more than or equal to 1?
[1]