In a game of black jack, 2 cards are dealt from a standard deck of cards. (a) How many possible black jack hands are there? (b) How many possible black jack hands are there of the same suit? (c) How many possible black jack hands are there where you are dealt a pair? (d) What is the probability you are dealt a hand, where the two cards are the same suit? (e) What is the probability you are dealt a hand, where the two cards are a pair?
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
In a game of black jack, 2 cards are dealt from a standard deck of cards.
(a) How many possible black jack hands are there?
(b) How many possible black jack hands are there of the same suit?
(c) How many possible black jack hands are there where you are dealt a pair?
(d) What is the probability you are dealt a hand, where the two cards are the same suit?
(e) What is the probability you are dealt a hand, where the two cards are a pair?
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