How Many Bridge Hands Include Specific Card Suits?

  • Thread starter stevecallaway
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In summary, you can calculate the total number of possible bridge hands by multiplying the number of cards for each suit: 13C5 * 13C3 * 13C3 * 13C2 = 8,211,173,256.
  • #1
stevecallaway
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Homework Statement

How many different bridge hands are possible containing five spaids, three diamonds, three clubs, and two hearts?




Homework Equations





The Attempt at a Solution


Total number of hands in which I can get 5 spaids is 13C5
Total number of hands in which I can get 3 diamonds is 13C3
Total number of hands in which I can get 3 clubs is 13C3
Total number of hands in which I can get 2 hearts is 13C2
Adding these up gives 1937 which is not any where close to 8,211,173,256.
Help?
 
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  • #2
stevecallaway said:

Homework Statement

How many different bridge hands are possible containing five spaids, three diamonds, three clubs, and two hearts?
Those would be "spades."
stevecallaway said:

Homework Equations





The Attempt at a Solution


Total number of hands in which I can get 5 spaids is 13C5
Total number of hands in which I can get 3 diamonds is 13C3
Total number of hands in which I can get 3 clubs is 13C3
Total number of hands in which I can get 2 hearts is 13C2
Adding these up gives 1937 which is not any where close to 8,211,173,256.
Help?

Multiply all four numbers together and you get the right result.
 

What is combinatorial mathematics?

Combinatorial mathematics is a branch of mathematics that deals with counting and arranging objects or elements in a systematic way. It involves studying the properties of different combinations and permutations of objects.

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Combinatorial mathematics has various applications in fields such as computer science, engineering, statistics, and cryptography. It is used to solve problems related to ordering, grouping, and selecting objects in a finite set.

What are the main techniques used in combinatorial mathematics?

The main techniques used in combinatorial mathematics include combinations, permutations, and the binomial theorem. Other techniques such as graph theory, recurrence relations, and generating functions are also commonly used.

How is combinatorial mathematics related to probability theory?

Combinatorial mathematics is closely related to probability theory as both fields deal with counting and arranging objects. Combinatorial methods are often used to solve probability problems, and the concepts of combinations and permutations are essential in calculating probabilities.

What are some real-life examples of combinatorial mathematics?

Some real-life examples of combinatorial mathematics include scheduling, designing experiments, creating passwords, and organizing data. It is also used in analyzing election results, creating sports schedules, and optimizing transportation routes.

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