2.What is the use of the formula P(A or B) =
P(A) + P(B) - P(A or B) ?
A intersection of events
C. not mutually exclusive events
B. mutually exclusive events
D. union of events
P(A) + P(B) - P(A or B) ?
A intersection of events
C. not mutually exclusive events
B. mutually exclusive events
D. union of events
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Answer:
A.
just check if it's wrong