Probability Powerplay
Level 6, 2026-04-14
A bag has 7 red balls, 10 blue balls and 4 yellow balls. You take out a red ball, then a yellow ball, then another ball.
What is the probability of getting blue for the last ball?
[1]
Roll 78 6-sided dice.
How many times would you expect to get an odd number?
[1]
Cars go by on a road, each is a different color and type.

Probability of Color

1
yellowblue
Color

Probability of Type

0.10.9
sedanwagon
Type

What is the probability of a car being a blue wagon?
[2]
You shoot an arrow at a target. You will either score 10 (30% chance), 30 (30% chance), or 60. What average score do you expect to get if you do this many times?
[1]
Roll 84 6-sided dice.
How many times would you expect to get less than or equal to 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:


0.250.10.050.050.55
12345
Number

What is the probability of rolling a number that is bigger than or equal to 1?
[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:


0.60.150.25
12345
Number

What is the probability of rolling 4 or 5?
[1]
We asked a group of boys how many Chocolates they eat in a month. Here are the results:
boys

Chocolates04
12
23
36

What is the probability of the boys to eat more than 1 Chocolates in a month?
[2]
We asked a group of people how many Popsicles they eat in a week. Here are the results:
people

Popsicles06
16
22
35

What is the probability of the people to eat exactly 2 Popsicles in a week?
[2]
A bag has 6 balls with number 9 and 7 balls with a number 8. You take out 1 ball.
What is the probability of getting the ball with the number 8?
[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:


0.550.150.10.10.1
12345
Number

What is the probability of rolling a number that is bigger than 4 or smaller than 5?
[1]
Roll 144 6-sided dice.
How many times would you expect to get less than or equal to 1?
[1]
A group of dogs were timed running 100m. Here are the results:
dogs

1224
1314151617
Time

What fraction of the dogs run 100m in exactly 17s?
[2]
A group of boys did a math test and here are their scores out of 5:
boys

Score04
15
22
31
43
5

What fraction of the boys score exactly 5?
[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:


0.650.250.1
12345
Number

What is the probability of rolling a number that is bigger than 4 or smaller than 5?
[1]