Probability Powerplay
Level 6, 2026-08-02
There are 100 balls in a bag. This is is the probability distribution of their color:


0.50.5
pinkbluered
Color

If you choose a random ball from the bag, what is the probability of it being blue or pink?
[1]
Flip 3 coins.
What is the probability of getting 3 tails?
[1]
A bag has 5 red balls, 3 blue balls and 8 yellow balls. You take out a blue ball, then a yellow ball, then another ball.
What is the probability of getting yellow for the last ball?
[1]
A group of dogs were timed running 100m. Here are the results:
Timedogs
134
143
152
164
175

What fraction of the dogs run 100m in exactly 13s?
[2]
Roll 24 6-sided dice.
How many times would you expect to get a number less than 7?
[1]
Cars go by on a road, each is a different color and type.

Probability of Color

0.20.8
redpink
Color

Probability of Type

1
sedanwagon
Type

What is the probability of a car being a red sedan?
[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:


0.850.15
12345
Number

What is the probability of rolling 2 or 5?
[1]
We asked a group of humans how many Oranges they eat in a month. Here are the results:
Orangeshumans
04
11
25
30

What fraction of the humans eat exactly 1 Oranges in a month?
[2]
Roll 6 6-sided dice.
How many times would you expect to get anything except 6?
[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:


0.650.050.050.25
12345
Number

What is the probability of rolling a number that is bigger than or equal to 4?
[1]
Roll 114 6-sided dice.
How many times would you expect to get anything except 1?
[1]
There are 100 balls in a bag. This is is the probability distribution of their color:


0.40.30.3
pinkorangegreen
Color

If you choose a random ball from the bag, what is the probability of it not being orange?
[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:


0.10.150.050.150.55
12345
Number

What is the probability of rolling a number that is bigger than 4 or smaller than 5?
[1]
Roll 30 6-sided dice.
How many times would you expect to get anything except 2?
[1]
Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are odd?
[1]
You shoot an arrow at a target. There is a 50% chance of scoring a 20, a 30% chance of scoring a 40, or you might miss completely and score 0. What average score do you expect to get if you do this many times?
[1]
Roll 1 6-sided die.
What is the probability of getting an odd number?
[1]