In a standard deck of cards, what is the probability of selecting a black ace or a red face card?
P (black ace or red face card) =
P(black ace) + P(red face card) - P(black ace and a red face card) =
2 / 52 + 6 / 52 - 0 / 52 =
8 / 52 =
2 / 13
+101 
