Update README.md

Author: Pegah-Ardehkhani

README.md

@@ -8,7 +8,7 @@
 
 ## Table of content ✍️
 
-**Chapter 1: Special Continuous Random Variables** 
+**Chapter 1: Special Continuous Random Variables** <a href="https://colab.research.google.com/github/Pegah-Ardehkhani/Statistics-and-Probability-in-Python/blob/main/Chapter%201%20Special%20Continuous%20Random%20Variables.ipynb" target="_parent\"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a> [![nbviewer](https://img.shields.io/badge/render-nbviewer-orange.svg)](https://nbviewer.org/github/Pegah-Ardehkhani/Statistics-and-Probability-in-Python/blob/main/Chapter%201%20Special%20Continuous%20Random%20Variables.ipynb)
 
 - 1.1. Normal (Gaussian) Distribution
 - 1.2. Chi-square Distribution