Probability Powerplay
Level 6, 2026-02-20
A bag has 9 balls with numbers from 4 to 12. You take out 1 ball.
What is the probability of NOT getting the ball with the number 7?
[1]
Flip a coin 12 times.
Each time a head comes up you win $2 and with each tail you lose $3. It costs $22 to play (paid once). How much money would you expect to make altogether?
[1]
A group of girls were timed running 100m. Here are the results:
girls

Time133
145
15
164
17

What fraction of the girls run 100m in exactly 17s?
[2]
Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are even?
[1]
You shoot an arrow at a target. You will either score 10 (10% chance), 30 (20% chance), or 50. What average score do you expect to get if you do this many times?
[1]
A group of humans did a math test and here are their scores out of 5:
Scorehumans
02
11
26
35
40
55

What fraction of the humans score less than 4?
[2]
There are 12 balls in a bag. This is is the probability distribution of their color:


0.50.5
pinkyellow
Color

How many pink balls were in the bag?
[1]
Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are more than 3?
[1]
A group of kids did a math test and here are their scores out of 5:
Scorekids
02
11
23
35
44
56

What is the probability of the kids to score less than 3?
[2]
A bag has 2 balls with numbers from 2 to 3. You take out 1 ball.
What is the probability of NOT getting the ball with the number 4?
[1]
A group of kids did a math test and here are their scores out of 5:
kids

51121
012345
Score

What fraction of the kids score exactly 4?
[2]
Roll 36 6-sided dice.
How many times would you expect to get more than 1?
[1]
The chances of feeling like icecream are 50%. The chances of being near an icecream store are 40%. There is a 20% chance that you lost all your money.
What is the probability of having icecream?
[1]
Cars go by on a road, each is a different color and type.

Probability of Color

0.10.9
purplered
Color

Probability of Type

0.70.3
wagonsedan
Type

What is the probability of a car being a red sedan?
[2]
Roll 18 6-sided dice.
How many times would you expect to get an even number?
[1]