Q3- The following table represents gas well completions during 1986 in North and South America. Source: American Gas Association, 1987 Gas Facts, p. 50.

D

D'

Dry

Not Dry

N

North America

14,131

31,575

45,706

N'

South America

404

2,563

2,967

14,535

34,138

48,673

Draw a Venn diagram that summarizes the information in the table.

a.Identify the region of the Venn diagram that represents (N and D).

b.Identify the region of the Venn diagram that represents (N' and D').

c.Identify the region of the Venn diagram that represents (N or D).

d.Identify the region of the Venn diagram that represents (N' or D').