Probability Powerplay
Level 6, 2026-04-14
An obstacle course has 1 Fences and 1 Ditches. You have a 80% chance of clearing a Fence and a 80% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)?
[1]
A bag has 7 balls with number 6 and 4 balls with a number 8. What will be the average of the numbers of the balls taken out of the bag
[1]
Roll 96 6-sided dice.
How many times would you expect to get more than or equal to 4?
[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:


0.10.150.250.250.25
12345
Number

What is the probability of rolling a number that is bigger than 4 or smaller than 5?
[1]
A group of dogs were timed running 100m. Here are the results:
dogs

Time135
143
152
162
176

What is the probability of the dogs to run 100m in more than 15s?
[2]
Cars go by on a road, each is a different color and type.

Probability of Color

0.70.3
greenblue
Color

Probability of Type

0.60.4
sedanwagon
Type

What is the probability of a car being a green sedan?
[2]
You shoot an arrow at a target. There is a 80% chance of scoring a 10 and a 20% chance of scoring a 50. What average score do you expect to get if you do this many times?
[1]
There are 90 balls in a bag. This is is the probability distribution of their color:


0.30.30.4
greenbluepink
Color

How many pink balls were in the bag?
[1]
A bag has 8 balls with number 5 and 4 balls with a number 7. What will be the average of the numbers of the balls taken out of the bag
[1]
A group of kids were timed running 100m. Here are the results:
kids

Time131
142
155
162
176

What is the probability of the kids to run 100m in exactly 15s?
[2]
Cars go by on a road, each is a different color and type.

Probability of Color

0.70.3
yellowpurple
Color

Probability of Type

1
sedanwagon
Type

What is the probability of a car being a purple wagon?
[2]
We asked a group of dogs how many Chocolates they eat in a week. Here are the results:
dogs

Chocolates06
12
23
33

What fraction of the dogs eat less than 2 Chocolates in a week?
[2]
A bag has 7 balls with numbers from 4 to 10. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 8?
[1]
We asked a group of girls how many Oranges they eat in a day. Here are the results:
girls

6611
0123
Oranges

What is the probability of the girls to eat exactly 3 Oranges in a day?
[2]