A man chooses a card at random from a pack of playing cards. What is the probability that the card is a diamond? Please simplify the answer to its lowest terms.
Answer: The odds of drawing a King or a heart are P(E)/P(E') = (4/13)/(9/13) = 4/9. What is the probability of getting at least one black card in a 7-card hand off a shuffled 52-card deck
