Question
Alice plays the following game with Bob. First, Alice randomly chooses a set of 4 cards out of a 52-card deck, memorizes them, and places them back into the deck. (Any set of 4 cards is equally likely.) Then, Bob randomly chooses 8 cards out of the same deck. (Any set of 8 cards is equally likely.)
What is the probability that all 4 cards Alice chose were also among the 8 cards chosen by Bob?
What is the probability that all 4 cards Alice chose were also among the 8 cards chosen by Bob?
Answers
RVE
(48)
(4)
-----
(52)
(8)
(4)
-----
(52)
(8)