After finding the number of ways to get four-of-a-kind for four cards in a poker hand, should you use: a. 48 choose 1 or b. 12 choose 1 x 4 choose 1. Much of this section is based on an article by Snell and Vanderbei.18. One must be very careful in dealing with problems involving conditional probability. The reader will recall that in the Monty Hall problem (Example 4.6), if the contestant chooses the door with the car behind it, then Monty has a choice of doors to open. COMBINATORIAL PROBABILITY: POKER HANDS We have the table of probabilities for poker hands as follows: recall that the ‘scoring’ cards are denoted x and y, the other cards are denoted a, b etc.
Poker Hand Probability Problems Solving
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Poker Hand Probability Problems Worksheets
The Probability of drawing a given hand is calculated by dividing the number of ways of drawing the hand (Frequency) by the total number of 5-card hands (the sample space; =, ). For example, there are 4 different ways to draw a royal flush (one for each suit), so the probability is 4 / 2,598,960, or one in 649,740. The probability of collecting royal flush in poker is 1 to 649 740. The odd to catch this combination on the flop with pocket broadway cards is equal to 0.0008%. If there is a potential royal flush on the board, the probability that it will be collected on the turn is 2%, and till the river – 4%.
Find the probability of getting the following hands in a game of traditional 5 card poker.
(1)) P(Having exactly 2 Aces) (other 3 cards can be anything but aces)
The probability is (displaystylefrac{103,776}{2,598,960} approx 3.9930%)
(2)) P(Royal Flush) (aka 10, J, Q, K, A and all the same suit)
The probability is (displaystylefrac{4}{2,598,960} approx 0.000154%)
(3)) P(Straight Flush) (aka same suit, in consecutive number order)
The probability is (displaystylefrac{36}{2,598,960} 0.00139approx 0.00139%)
(4)) P(Flush) (aka all cards in the same suit.)
The probability is (displaystylefrac{624}{2,598,960} approx 0.0240%)
(5)) P(Straight) (aka all cards in consecutive number order.)
The probability is (displaystylefrac{3,744}{2,598,960} approx 0.1441%)
Poker Hand Probability Problems
(6)) P(Full house) (aka 3 of a kind and a pair)
The probability is (displaystylefrac{5,108}{2,598,960} approx 0.1965%)
(7)) P(Four of a kind)
The probability is (displaystylefrac{10,200}{2,598,960} approx 0.3925%)
(8)) P(Three of a kind)
The probability is (displaystylefrac{54,912}{2,598,960} approx 2.1128%)
(9)) P(Two pair)
The probability is (displaystylefrac{123,552}{2,598,960} approx 4.7539%)
(10)) P(One Pair)
The probability is (displaystylefrac{1,098,240}{2,598,960} approx 42.2569%)
(11)) P(No pair)
The probability is (displaystylefrac{1,302,540}{2,598,960} approx 50.1177%)
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