This summary is all you need to take with you to the open book exam. Every mandatory subject from the book 'Business Analytics' from James R. Evans plus extra information is in this summary. It tells you how to solve each question step-by-step, including the 'trick questions'. The lectures are known to be confusing and everything is simplified in this summary. Extremely helpful, especially when you have trouble understanding the subjects, or even math. 

All subjects: probabilities, distribution...
Data Science: Machine Learning 2017/2018 - Cheatsheet
Data Science: Machine Learning 2017/2018 - Summary Lectures
This summary made the difference, absolutely (B4 2019-2020).
Data Science: Machine Learning 2017/2018 - Summary Lectures
Data Science: Machine Learning 2017/2018 - Cheatsheet
Data Science: Machine Learning 2017/2018 - Cheatsheet