# How are permutations used in the real world?

**used permutations**in

**real life**is seating charts, i

**used**to run Trading card tournaments where we had to order the seating arrangements based on number of wins, the undefeated had to play each other , the people with 1 loss had to play each other , and so on and so on.

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Also know, what is combination in real life?

**Combination** in reality For example, there are six permutations of the set {1,2,3}, namely (1,2,3), (1,3,2), (2,1,3), (2,3,1), (3,1,2), and (3,2,1). **Combination** is a way of selecting several things out of a larger group, where (unlike permutations) order does not matter.

Additionally, what is the purpose of permutation? The **permutation** test is designed to determine whether the observed difference between the sample means is large enough to reject, at some significance level, the null hypothesis H that the data drawn from is from the same distribution as the data drawn from .

Also to know, what is the importance of permutation and combination?

Example 1: The PIN code is an example when order is **important**. The PIN code 1234 is different from the PIN code 4321. When selecting more than one item without replacement and order is **important**, it is called a **Permutation**. When order is not **important**, it is called a **Combination**.

What is an example of a combination?

A **combination** is a selection of all or part of a set of objects, without regard to the order in which objects are selected. For **example**, suppose we have a set of three letters: A, B, and C. We might ask how many ways we can select 2 letters from that set. Each possible selection would be an **example of a combination**.