Beginner math books for Machine Learning
Although you need book, I recommend the following courses respectively for understanding statistics which are used for machine learning and other tasks in data science. They are free.


Learn Statistics - Intro to Statistics Course
Intro to Descriptive Statistics
Inferential Statistics: Learn Statistical Analysis


If I want to recommend a book, I would recommend the following book which is free under CC license. It has nice examples and is so much practical; moreover, there are lots of codes in it which help you feel statistics in real world examples. 


Think Python by Allen B. Downey
Python Data Science Handbook


Also the following link may help: 


From Google Itself Good And Concise