Question 237708
Given 2 events A and B within the sample space S; P(A/B)=n(A and B)/n(B) 
Use this result to find the probability P(spade/king) when a single card is drawn from a standard 52-card deck.
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P(A|B)=n(A and B)/n(B)
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P(spade|king) = 1/4
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Cheers,
Stan H.