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simveit committed Jul 9, 2024
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4 changes: 1 addition & 3 deletions _posts/2024-07-08-combination-permutation.md
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---
title: "Combinations and Probabilities."
title: "Permutations and Combinations."
categories:
- Basic Probability
tags:
- Probability
---
# Permutations and Combinations

An ordered set of elements in `[n]={1,2,...,n}` is called a *permutation*.

If we consider an ordered subset with r elements in a set of n elements we call this an *r permutation*.
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4 changes: 1 addition & 3 deletions _posts/2024-07-08-introduction-probability.md
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tags:
- Probability with Python
---
# Introduction

Let us start with the notion of a *sample space*. A sample space describes the set of all possible outcomes when performing an experiment.

Let us consider a simple coin throw. The sample space is simply `{H, T}`. We can get either Heads or Tails as a result.
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```
Fraction(1, 6)
```
We see that the probability of these event to occur is 1/6.
We see that the probability of this event to occur is 1/6.

If you want to see more about the topics discussed here you may find the corresponding lecture [by Harry Crane](https://www.youtube.com/watch?v=2Xwk6yNq9og) interesting.

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