Answer: C) 0.75
Work Shown:
[tex]P(A \cup B) = P(A) + P(B) - P(A \cap B)\\\\P(A \cup B) = 0.45 + 0.4 - 0.10\\\\P(A \cup B) = 0.75\\[/tex]
The region between circles A and B, or the overlapping region, is known as the intersection of the two sets. This is denote by [tex]A \cap B[/tex]
