SOLUTION: suppose that a single card is selected from a standard 52 card deck. what is the probability that the card drawn is a spade? now suppose that a single card is drawn from a standard

Question 1154600: suppose that a single card is selected from a standard 52 card deck. what is the probability that the card drawn is a spade? now suppose that a single card is drawn from a standard 52 card deck, but it is told that the card is black. what is the probability that the card drawn is a spade?
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

(a) P(spade) = (# of spades) / (number of cards in deck) = 13/52 = 1/4

(b) P(spade) = (# of spades) / (number of black cards) = 13/26 = 1/2

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