4. Copy the Venn diagram provided and shade in the required region for each of the following sets.
핌 X Y A A Z (i) ( X∩Y∩Z )
(ii) Y∪( Z∩X ) (iii) Y∪( Z\X ) (iv) ( Y∩X )\Z
(v) X\( Z∪Y ) (vi) ( X∪Y∪Z )′ (vii) ( Z∩X )\Y )
C B A
핌 B
D A C
핌 B
5. Match the set notation (1–4) to the diagrams (A–D) in the table provided.
1 A∪( C\B ) 2
Set notation 3
C∪( A∩B )
핌 B
( A∪C )∩B
Venn diagram C
A 4 [ B∪(A∩C)]′
핌 B
C
C
6. Using the correct set notation, describe each of the shaded regions in the Venn diagrams (i)–(v). (i)
(ii) A
핌 B
A
핌 B
(iii) A
핌 B
(iv) A
핌 B
(v) A
핌 B
C
C
C
7. The Venn diagram provided shows the results of a survey about which fruit juice students like.
(i) Explain in your own words what each region in the Venn diagram represents. The fi rst region has been completed for you in the table provided.
Region number Explanation (I)
(II) (III) (IV) (V) (VI) (VII) (VIII)
4 students like apple juice, but do not like orange or blackcurrant juice
Apple (I) (IV) (VII) Blackcurrant
(ii) How many students like apple juice? (iii) If a student is chosen at random, calculate the probability of the following: (a) they like all three juices (b) they do not like blackcurrant juice (c) they like blackcurrant and apple juice but not orange juice.
116 Linking Thinking 2
(II) (V)
C Apple 4 2 3 Blackcurrant 핌 Orange (III) (VI) (VIII) 3 5 1 10 Orange 2