muIf A, B and C are three mutually exclusive events, the probability of their union is equal to _____.
A
P(A) P(B) P(C)
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B
P(A) + P(B) + P(C) - P(ABC)
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C
P(A) + P(B) + P(C)
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D
P(A) P(B) + P(C) P(A) + P(B) P(C)
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Solution
The correct option is C P(A) + P(B) + P(C) If A,B and C are three mutually exclusive events then there will be no common points between these events, so there will be no intersection of these events. So P(AUBUC) = P(A)+P(B)+P(C).