SOLUTION: a card is drawn at random from an ordinary pack of 52 cards. calculate the probability of selecting. a king, given that the selected card is a spade

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Question 1021730: a card is drawn at random from an ordinary pack of 52 cards. calculate the probability of selecting. a king, given that the selected card is a spade
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
P(king|spade) = P(spade and king)/P(spade) = %281%2F52%29%2F%2813%2F52%29 = 1/13.