Application of Set
BY:
ALDIN D. LABO
A S S T. P R O F I V
Operation of Set
▼ Intersection of Sets
The intersection of sets A and B, denoted by A B, is the set of
elements common to both A and B.
▼ Union of Sets
The union of sets A and B, denoted by A B, is the set that contains
all the elements that belong to A or to B or to both.
a. Like Volleyball but not Basketbal.
(55)
b. Like Basketball but not Volleybal.
(35)
c. Do not like either of these sports?
(25)
Solutions:
Activity 1
Activity 2
1
2
Activity
3.
The management of a hotel conducted a survey. It found that of the 2560 guests who were
surveyed,
1785 tip the wait staff.
1219 tip the luggage handlers.
831 tip the maids.
275 tip the maids and the luggage handlers.
700 tip the wait staff and the maids.
755 tip the wait staff and the luggage handlers.
245 tip all three services.
210 do not tip these services.
How many of the surveyed guests tip
a. exactly two of the three services?
b. only the wait staff?
c. only one of the three services?
Good luck