Probability Powerplay
Level 6, 2026-06-14
There are 50 balls in a bag. This is is the probability distribution of their color:


0.20.8
orangered
Color

How many red balls were in the bag?
[1]
There are 15 balls in a bag. This is is the probability distribution of their color:


0.20.8
blueyellow
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:


0.150.050.10.150.55
12345
Number

What is the probability of rolling a 4?
[1]
There are 30 balls in a bag. This is is the probability distribution of their color:


0.10.9
pinkorange
Color

How many pink balls were in the bag?
[1]
A group of dogs did a math test and here are their scores out of 5:
Scoredogs
02
14
23
31
40
55

What is the probability of the dogs to score more than 4?
[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:


0.550.250.150.05
12345
Number

What is the probability of rolling 4 or 5?
[1]
You shoot an arrow at a target. There is a 20% chance of scoring a 20 and a 20% chance of scoring a 30 and a 60% chance of scoring a 60. What average score do you expect to get if you do this many times?
[1]
A bag has 3 red balls and 2 blue balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball?
[1]
A bag has 7 red balls and 7 blue 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]
Roll 138 6-sided dice.
How many times would you expect to get more than 3?
[1]
A wheel has 3 purple sections and 4 red sections.
What is the probability of getting purple?
[1]
There are 10 balls in a bag. This is is the probability distribution of their color:


0.50.20.3
purplepinkred
Color

If you choose a random ball from the bag, what is the probability of it not being pink or purple?
[1]
A bag has 2 red balls and 4 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]
You flip a coin and roll a 6 sided die.
What is the probability of getting a number less than 1 and a tail?
[1]
There are 45 balls in a bag. This is is the probability distribution of their color:


0.20.8
redpink
Color

How many pink balls were in the bag?
[1]
There are 100 balls in a bag. This is is the probability distribution of their color:


0.50.5
greenredblue
Color

If you choose a random ball from the bag, what is the probability of it being green or blue?
[1]
A group of dogs did a math test and here are their scores out of 5:
dogs

415665
012345
Score

What is the probability of the dogs to score more than 1?
[2]
An obstacle course has 1 Fences and 1 Ditches. You have a 50% chance of clearing a Fence and a 100% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)?
[1]