Probability theory is often only treated casually in school, yet it is a particularly exciting and practical area of mathematics. For anyone who wants or needs to learn more about this topic, Deborah Rumsey explains clearly and with humor what you absolutely should know. Whether it's contingency tables, the central limit theorem, sampling, binomial, or Poisson distribution, in this book you will learn what they are and how to apply them. For each chapter, you will find an online exercise with a solution to reinforce what you've learned. Tips for practical applications—whether at work or at the poker table—are also included. This book contains everything you need to know about probability theory.