Sets: words problem question.

Question

Let U be the students in the class today. define a subset A of U based on some quality or characteristic. (something other than gender). clearly define A in words. You do not need to place people in set A by name. let F= females and M= males.  solve:  A=?,  A'=?,   AnF=? F'=?,  MUF=?,  MnF=?,  n(U)=?,  n(F)=?,  n(M)=?.

Answer 1

Let A be students over 65 inches tall.

 

A' = students not over 65 inches tall.

 

A∩F =  Females over 65 inches tall'

 

etc.