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If A = P(wins first event) and B = P(wins second event), then we are told: P(A) = 0.3; P(B) = 0.4; and P(A ∩ B) = 0.1. We want P(A ∪ B).
A
0.5
B
0.7
C
0.6
D
0.8
Explanation:
To find P(A ∪ B), we use the formula for the probability of the union of two events:
Given:
Substituting the values:
Therefore, the probability that the team wins at least one of the two events is 0.6.
Key Concepts: