Question

13. A 7-card hand is dealt from a deck of 52 cards. What is the probability that the hand includes all four kings?

Answer 1

First, no. of ways of ch1oosing any 7 cards from the deck of 52 = 52C7 sample space

Answer 2

*choosing

Answer 3

Now, favorable outcomes = having 4-'K' cards and after that any choosing 3 cards from the remaining pile of 48 = 48C3.


dividing favorable outcomes by sample space gives you the probability - helps?