Shuffling a deck of cards question?

  • Thread starter amantonas
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There are 52! possible ways to shuffle a deck of 52 cards, which is an incredibly large number. This makes it statistically probable that a properly shuffled deck of cards will be in an order that has never before existed amongst other decks.
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amantonas
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Is it statistically probable that a properly shuffled deck of cards will be in an order that has never before existed amongst other decks?
Please explain!
 
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  • #2
What do you think? How do you reach whatever conclusion you reach? How many ways can a deck of cards be ordered?
 
  • #3
amantonas said:
Is it statistically probable that a properly shuffled deck of cards will be in an order that has never before existed amongst other decks?
Please explain!

Yes, it is extremely likely so, if you have a deck with, let's say, 52 cards, it means that there are 52! different ways to shuffle it, that number is gigantic, around 8*10^67 which is a number close to the number of atoms in the universe.

In summary, every time you shuffle a deck properly chances are you have shuffled something no one has shuffled before... in this universe.
 

Related to Shuffling a deck of cards question?

1) How many ways can a deck of cards be shuffled?

A standard deck of 52 cards can be shuffled in 8.0658 x 10^67 different ways.

2) Is it possible to shuffle a deck of cards perfectly?

No, it is virtually impossible to shuffle a deck of cards perfectly. Even with advanced shuffling techniques, there will always be some degree of predictability in the order of the cards.

3) What is the most common shuffling method used?

The most common shuffling method used is the riffle shuffle, where the deck is split into two equal halves and the cards are interleaved together.

4) How many times should a deck of cards be shuffled for a truly random order?

A deck of cards should be shuffled at least 7 times to achieve a truly random order. However, the more times it is shuffled, the more randomized the order becomes.

5) Can shuffling a deck of cards ever result in the same order as before?

Technically, yes, but the chances are extremely slim. The number of possible card orders is so large that it is highly unlikely for a deck to be shuffled into the exact same order twice. It would require a perfect repetition of every shuffle and cut.

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