Answer
Jury trials where plaintiff cases are reversed represents A ∩ B. There are 194 such cases, so:
P(A ∩ B) = 194 / 2143
= 0.0905
P(AUB) = P(A) + P(B) - P(A ∩ B)
= 1465/2143 + 265/2143 - 194/2143
= 0.717
Work Step by Step
As given in answer