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From a well-shuffled pack of 52 cards a card is drawn at random. Find probability that the drawn card is a king or a queen.

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Event A:Cardisakingz ⇒ n(A)=4 

B = Card is a Queen ⇒ n(B) = 4 

A & B are mutually exclusive (A ∩ B) = (A ∩ B) = 9, 

P(A or B) = P(A∪B) = P(A) +P(B)

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