Question

the following table lists the ages and number of players per age group that are on a soccer team. Let A= soccer players who are older than 10 years old. How many players are in the complement of A?

Answer 1

A = soccer players who are older than 10 years old.

The complement of A means all the soccers players that aren't in set A.

A = Older than 10 years old.

11 years = 9 players

12 years = 2 players

Complement of A: younger or equal to 10 years.

9 years = 2 players

10 yeas = 4 players

Therefore, the total of players in the complement of A is 2+4 = 6 players.