If a card is drawn from a well shuffled pack of cards, the probability of drawing a spade or a king is ?  Select:
A) 4/16 B) 4/17 C) 4/11 D) 4/13 E) 4/12
P(SᴜK)   = P(S) + P(K) - P(S∩K), where S denotes spade and K denotes king.   P(SᴜK)   = 13/52 + 4/52 - 1/52   = 4/13   Answer:4/13
<result>D</result>
If a card is drawn from a well shuffled pack of cards, the probability of drawing a spade or a king is ?