What is the probability of drawing two cards of the same suit?
Interview Answer should be 52/54 * 12/51. There are 13C2 ways of picking two cards from the same suite out of the 52C2 ways of picking 2 cards from a deck. That comes to 3/51.
What is the probability that all 5 cards have the same suit?
We have to choose 5 distinct kinds (13-choose-5) but exclude any straights (subtract 10). We can have any pattern of suits except the 4 patterns where all 5 cards have the same suit: 4^5-4. The total number of such hands is [(13-choose-5)-10]* (4^5-4). The probability is 0.501177.
What is it called when you have 5 cards of the same suit?
A flush is a hand that contains five cards all of the same suit, not all of sequential rank, such as K 10 7 6 4 (a “king-high flush” or a “king-ten-high flush”). It ranks below a full house and above a straight.
Do you hit a 12 against a 3?
Bottom line: Even though you’ll never get rich on 12 against a 3, no matter how you play it, hitting is the better play, because in the long run it will save you money compared to standing. Play #4. Not Splitting 8s Against a Dealer’s 9, 10, or Ace. “A 16 against a dealer’s 9, 10, or Ace is a loser.