Probability Powerplay
Level 6, 2026-08-16
Roll 102 6-sided dice.
How many times would you expect to get a number less than 2?
[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:


0.450.050.250.25
12345
Number

What is the probability of rolling a number that is bigger than 1 or smaller than 4?
[1]
A group of girls were timed running 100m. Here are the results:
Timegirls
133
146
150
165
174

What is the probability of the girls to run 100m in exactly 16s?
[2]
A group of girls did a math test and here are their scores out of 5:
girls

36515
012345
Score

What fraction of the girls score less than 1?
[2]
Roll 126 6-sided dice.
How many times would you expect to get more than or equal to 5?
[1]
Flip a coin 18 times.
Each time a head comes up you win $1 and with each tail you lose $4. It costs $20 to play (paid once). How much money would you expect to make altogether?
[1]
A group of dogs did a math test and here are their scores out of 5:
Scoredogs
05
12
23
34
43
53

What fraction of the dogs score less than 1?
[2]
We asked a group of boys how many Strawberries they eat in a month. Here are the results:
boys

512
0123
Strawberries

What fraction of the boys eat exactly 0 Strawberries in a month?
[2]
A group of boys did a math test and here are their scores out of 5:
Scoreboys
01
15
23
34
44
50

What is the probability of the boys to score less than 0?
[2]
We asked a group of kids how many Sandwiches they eat in a day. Here are the results:
kids

5425
0123
Sandwiches

What is the probability of the kids to eat exactly 1 Sandwiches in a day?
[2]
A bag has 10 red balls and 6 blue balls. You take out 1 blue ball, then another ball.
What is the probability of getting blue for the second ball?
[1]
Flip a coin 16 times.
Each time a Tail comes up you win $3. It costs $24 to play (paid once). How much money would you expect to make altogether?
[1]
There are 60 balls in a bag. This is is the probability distribution of their color:


0.80.2
redpurple
Color

How many red balls were in the bag?
[1]
There are 30 balls in a bag. This is is the probability distribution of their color:


0.80.2
orangepink
Color

How many pink balls were in the bag?
[1]