Question
Two cards are drawn at random from an ordinary deck of 52 playing cards. What is the probability of getting two faces if:
a) the first card is replaced before the second card is drawn?
b) the first card is not replaced before the second card is drawn?
a) the first card is replaced before the second card is drawn?
b) the first card is not replaced before the second card is drawn?
Answers
oobleck
Since there are 12 face cards,
(a) 12/52 * 12/52
(b) 12/52 * 11/51
(a) 12/52 * 12/52
(b) 12/52 * 11/51