Question

Prove that if E and F are independent events, then the events E and F' are also independent.
P(E ∩ F) = P(E) – P(E ∩ F) 1
= P(E) – P(E) · P(F)
= P(E) [1 – P(F)]
= P(E) P( F')
∴ E and F' are independent events.

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