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Exam 2
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Axiom 1: Range
for any event A:
0 ≤ p(A) ≤ 1
Axiom 2: Certainty
if an event A is a tautology, then:
p(A) = 1
Axiom 3: Additivity
if two events A and B are mutually exclusive, then:
p(A v B) = p(A) + p(B)
Axiom 4: Conditional Probability
for any two events A and B, if p(B) ≠ 0
p(A|B) = p(A ∩ B) / p(B)