Deborah J. Rumsey 
Probability For Dummies [PDF ebook] 

Packed with practical tips and techniques for solving probability problems Increase your chances of acing that probability exam — or winning at the casino! Whether you’re hitting the books for a probability or statistics course or hitting the tables at a casino, working out probabilities can be problematic. This book helps you even the odds. Using easy-to-understand explanations and examples, it demystifies probability — and even offers savvy tips to boost your chances of gambling success! Discover how to * Conquer combinations and permutations * Understand probability models from binomial to exponential * Make good decisions using probability * Play the odds in poker, roulette, and other games