Amy S. Wagaman, Robert P. Dobrow

Probability (eBook, PDF)

With Applications and R

• Format: PDF

Produktbeschreibung

Discover the latest edition of a practical introduction to the theory of probability, complete with R code samples In the newly revised Second Edition of Probability: With Applications and R, distinguished researchers Drs. Robert Dobrow and Amy Wagaman deliver a thorough introduction to the foundations of probability theory. The book includes a host of chapter exercises, examples in R with included code, and well-explained solutions. With new and improved discussions on reproducibility for random numbers and how to set seeds in R, and organizational changes, the new edition will be of use to anyone taking their first probability course within a mathematics, statistics, engineering, or data science program. New exercises and supplemental materials support more engagement with R, and include new code samples to accompany examples in a variety of chapters and sections that didn't include them in the first edition. The new edition also includes for the first time: * A thorough discussion of reproducibility in the context of generating random numbers * Revised sections and exercises on conditioning, and a renewed description of specifying PMFs and PDFs * Substantial organizational changes to improve the flow of the material * Additional descriptions and supplemental examples to the bivariate sections to assist students with a limited understanding of calculus Perfect for upper-level undergraduate students in a first course on probability theory, Probability: With Applications and R is also ideal for researchers seeking to learn probability from the ground up or those self-studying probability for the purpose of taking advanced coursework or preparing for actuarial exams.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 544
• Erscheinungstermin: 10. Juni 2021
• Englisch
• ISBN-13: 9781119692348
• Artikelnr.: 62154716

Autorenporträt

Amy S. Wagaman, PhD, is Associate Professor of Statistics at Amherst College. She received her doctorate in Statistics at the University of Michigan in 2008. Her research interests include nonparametric statistics, statistics education, dimension reduction and estimation, and covariance estimation and regularization. Robert P. Dobrow, PhD, is Emeritus Professor of Mathematics at Carleton College. He has over 15 years of experience teaching probability and has authored numerous papers in probability theory, Markov chains, and statistics.

Inhaltsangabe

Preface xiii

Acknowledgments xvii

Introduction xix

1 First Principles 1

1.1 Random Experiment, Sample Space, Event 1

1.2 What Is a Probability? 3

1.3 Probability Function 4

1.4 Properties of Probabilities 7

1.5 Equally Likely Outcomes 11

1.6 Counting I 12

1.6.1 Permutations 13

1.7 Counting II 16

1.7.1 Combinations and Binomial Coefficients 17

1.8 Problem-Solving Strategies: Complements and

Inclusion-Exclusion 26

1.9 A First Look at Simulation 29

1.10 Summary 34

Exercises 36

2 Conditional Probability and Independence 45

2.1 Conditional Probability 45

2.2 New Information Changes the Sample Space 50

2.3 Finding P (A and B) 51

2.3.1 Birthday Problem 56

2.4 Conditioning and the Law of Total Probability 60

2.5 Bayes Formula and Inverting a Conditional Probability 67

2.6 Independence and Dependence 72

2.7 Product Spaces 80

2.8 Summary 82

Exercises 83

3 Introduction to Discrete Random Variables 93

3.1 Random Variables 93

3.2 Independent Random Variables 97

3.3 Bernoulli Sequences 99

3.4 Binomial Distribution 101

3.5 Poisson Distribution 108

3.5.1 Poisson Approximation of Binomial Distribution 113

3.5.2 Poisson as Limit of Binomial Probabilitie; 115

3.6 Summary 116

Exercises 118

4 Expectation and More with Discrete Random Variables 125

4.1 Expectation 127

4.2 Functions of Random Variables 130

4.3 Joint Distributions 134

4.4 Independent Random Variables 139

4.4.1 Sums of Independent Random Variables 142

4.5 Linearity of Expectation 144

4.6 Variance and Standard Deviation 149

4.7 Covariance and Correlation 158

4.8 Conditional Distribution 165

4.8.1 Introduction to Conditional Expectation 168

4.9 Properties of Covariance and Correlation 171

4.10 Expectation of a Function of a Random Variable 173

4.11 Summary 174

Exercises 176

5 More Discrete Distributions and Their Relationships 185

5.1 Geometric Distribution 185

5.1.1 Memorylessness 188

5.1.2 Coupon Collecting and Tiger Counting 189

5.2 Moment-Generating Functions 193

5.3 Negative Binomial--Up from the Geometric 196

5.4 Hypergeometric--Sampling Without Replacement 202

5.5 From Binomial to Multinomial 207

5.6 Benford's Law 213

5.7 Summary 216

Exercises 218

6 Continuous Probability 227

6.1 Probability Density Function 229

6.2 Cumulative Distribution Function 233

6.3 Expectation and Variance 237

6.4 Uniform Distribution 239

6.5 Exponential Distribution 242

6.5.1 Memorylessness 243

6.6 Joint Distributions 247

6.7 Independence 256

6.7.1 Accept-Reject Method 258

6.8 Covariance, Correlation 262

6.9 Summary 264

Exercises 266

7 Continuous Distributions 273

7.1 Normal Distribution 273

7.1.1 Standard Normal Distribution 276

7.1.2 Normal Approximation of Binomial Distribution 278

7.1.3 Quantiles 282

7.1.4 Sums of Independent Normals 285

7.2 Gamma Distribution 288

7.2.1 Probability as a Technique of Integration 292

7.3 Poisson Process 294

7.4 Beta Distribution 302

7.5 Pareto Dis