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Probability, Statistics and Reliability (4th Edition, 2025 – Ayyub & McCuen) | eBook PDF

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INSTANT PDF DOWNLOAD – Access the complete eBook for Probability, Statistics, and Reliability for Engineers and Scientists (4th Edition, 2025) by Bilal M. Ayyub and Richard H. McCuen. This comprehensive resource covers probability theory, statistical analysis, reliability engineering, and risk assessment with practical applications. Ideal for engineering and science students, it enhances analytical skills, supports coursework, and prepares you for exams with clear explanations and real-world examples. Probability Statistics, Reliability Engineering, Statistical Analysis, Study Guide, Exam Prep, Engineering Math, Data Analysis, Statistics Notes probability statistics reliability engineers pdf, ayyub mccuen statistics 4th edition pdf, engineering probability statistics textbook pdf, reliability engineering study guide pdf, statistics for engineers notes pdf, probability theory exam prep pdf, engineering statistics course material pdf, reliability analysis notes pdf, probability statistics solved problems pdf, engineering math statistics notes pdf, probability statistics revision guide pdf, reliability engineering exam questions answers, statistical analysis engineering pdf, probability statistics learning resource pdf, engineering statistics textbook pdf download, reliability engineering course notes pdf

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,Contents



Preface xvii

Acknowledgments xxi

Authors xxiii

1 Introduction 1
1.1 Systems Framework and Objectives . . . . . . . . . . . . . . . . . . . . . 1
1.1.1 Decision-Making in Engineering and Science . . . . . . . . . . . . 2
1.1.2 Expected Educational Outcomes . . . . . . . . . . . . . . . . . . . 3
1.2 Knowledge, Information, and Opinions . . . . . . . . . . . . . . . . . . . . 4
1.3 Ignorance and Uncertainty . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.4 Aleatory and Epistemic Uncertainties in System Abstraction . . . . . . . 8
1.5 Characterizing and Modeling Uncertainty . . . . . . . . . . . . . . . . . . 11
1.6 Simulation for Uncertainty Analysis and Propagation . . . . . . . . . . . 14
1.6.1 Simulation by Coin Flipping . . . . . . . . . . . . . . . . . . . . . 14
1.6.2 Generation of Random Numbers . . . . . . . . . . . . . . . . . . . 15
1.6.3 Computer Generation of Random Numbers . . . . . . . . . . . . . 18
1.6.4 Transformation of Random Variables . . . . . . . . . . . . . . . . 20
1.7 Simulation Projects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
1.7.1 Structural Beam Study . . . . . . . . . . . . . . . . . . . . . . . . 22
1.7.2 Stream Erosion Study . . . . . . . . . . . . . . . . . . . . . . . . . 24
1.7.3 Traffic Estimation Study . . . . . . . . . . . . . . . . . . . . . . . 25
1.7.4 Water Evaporation Study . . . . . . . . . . . . . . . . . . . . . . . 25
1.8 Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

2 Data Description and Treatment 28
2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2.2 Classification of Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
2.2.1 Nominal Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2.2.2 Ordinal Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2.2.3 Interval Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2.2.4 Ratio Scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
2.2.5 Dimensionality of Data . . . . . . . . . . . . . . . . . . . . . . . . 30
2.3 Graphical Description of Data . . . . . . . . . . . . . . . . . . . . . . . . . 30
2.3.1 Area Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
2.3.2 Pie Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
2.3.3 Bar Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
2.3.4 Column Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
2.3.5 Scatter Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
2.3.6 Line Graphs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
2.3.7 Combination Charts . . . . . . . . . . . . . . . . . . . . . . . . . . 32


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,viii Contents

2.3.8 Three-Dimensional Charts . . . . . . . . . . . . . . . . . . . . . . 34
2.4 Histograms and Frequency Diagrams . . . . . . . . . . . . . . . . . . . . . 34
2.5 Descriptive Measures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
2.5.1 Central Tendency Measures . . . . . . . . . . . . . . . . . . . . . . 40
2.5.2 Dispersion Measures . . . . . . . . . . . . . . . . . . . . . . . . . . 41
2.5.3 Percentiles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
2.5.4 Box-and-Whisker Plots . . . . . . . . . . . . . . . . . . . . . . . . 43
2.6 Analysis of Simulated Data . . . . . . . . . . . . . . . . . . . . . . . . . . 48
2.7 Simulation Projects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
2.7.1 Structural Beam Study . . . . . . . . . . . . . . . . . . . . . . . . 52
2.7.2 Stream Erosion Study . . . . . . . . . . . . . . . . . . . . . . . . . 52
2.7.3 Traffic Estimation Study . . . . . . . . . . . . . . . . . . . . . . . 53
2.7.4 Water Evaporation Study . . . . . . . . . . . . . . . . . . . . . . . 53
2.7.5 Pile Strength Study . . . . . . . . . . . . . . . . . . . . . . . . . . 53
2.7.6 Bridge Scour Study . . . . . . . . . . . . . . . . . . . . . . . . . . 53
2.7.7 Highway Accident Study . . . . . . . . . . . . . . . . . . . . . . . 53
2.7.8 Academic Grade Study . . . . . . . . . . . . . . . . . . . . . . . . 54
2.7.9 River Discharge Study . . . . . . . . . . . . . . . . . . . . . . . . . 54
2.8 Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

3 Fundamentals of Probability 61
3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
3.2 Sets, Sample Spaces, and Events . . . . . . . . . . . . . . . . . . . . . . . 62
3.2.1 Sets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
3.2.2 Sample Spaces and Events . . . . . . . . . . . . . . . . . . . . . . 63
3.2.3 Venn–Euler Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . 64
3.2.4 Basic Event Operations . . . . . . . . . . . . . . . . . . . . . . . . 68
3.2.5 Cartesian Product . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
3.3 Mathematics of Probability . . . . . . . . . . . . . . . . . . . . . . . . . . 71
3.3.1 Definition of Probability . . . . . . . . . . . . . . . . . . . . . . . . 71
3.3.2 Axioms of Probability . . . . . . . . . . . . . . . . . . . . . . . . . 75
3.3.3 Counting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
3.3.4 Conditional Probability . . . . . . . . . . . . . . . . . . . . . . . . 81
3.3.5 Partitions, Total Probability, and Bayes’ Theorem . . . . . . . . . 87
3.4 Random Variables and Their Probability Distributions . . . . . . . . . . . 89
3.4.1 Probability of Discrete Random Variables . . . . . . . . . . . . . . 89
3.4.2 Probability for Continuous Random Variables . . . . . . . . . . . . 94
3.5 Moments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
3.5.1 Mean . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
3.5.2 Variance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
3.5.3 Standard Deviation and Coefficient of Variation . . . . . . . . . . 103
3.5.4 Skew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
3.6 Application: Water Supply and Quality . . . . . . . . . . . . . . . . . . . 106
3.7 Simulation and Probability Distributions . . . . . . . . . . . . . . . . . . 107
3.8 Simulation Projects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
3.8.1 Structural Beam Study . . . . . . . . . . . . . . . . . . . . . . . . 109
3.8.2 Stream Erosion Study . . . . . . . . . . . . . . . . . . . . . . . . . 109
3.8.3 Traffic Estimation Study . . . . . . . . . . . . . . . . . . . . . . . 109
3.8.4 Water Evaporation Study . . . . . . . . . . . . . . . . . . . . . . . 109
3.9 Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110



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4 Probability Distributions for Discrete Random Variables 122
4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
4.2 Bernoulli Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
4.3 Binomial Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
4.4 Geometric Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
4.5 Poisson Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
4.6 Negative Binomial and Pascal Probability Distributions . . . . . . . . . . 133
4.7 Hypergeometric Probability Distribution . . . . . . . . . . . . . . . . . . . 135
4.8 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
4.8.1 Earthquakes and Structures . . . . . . . . . . . . . . . . . . . . . . 135
4.8.2 Floods and Coffer Dams . . . . . . . . . . . . . . . . . . . . . . . . 136
4.9 Simulation of Discrete Random Variables . . . . . . . . . . . . . . . . . . 138
4.10 A Summary of Distributions . . . . . . . . . . . . . . . . . . . . . . . . . . 142
4.11 Simulation Projects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
4.11.1 Structural Beam Study . . . . . . . . . . . . . . . . . . . . . . . . 144
4.11.2 Stream Erosion Study . . . . . . . . . . . . . . . . . . . . . . . . . 144
4.11.3 Traffic Estimation Study . . . . . . . . . . . . . . . . . . . . . . . 144
4.11.4 Water Evaporation Study . . . . . . . . . . . . . . . . . . . . . . . 144
4.12 Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

5 Probability Distributions for Continuous Random Variables 150
5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
5.2 Uniform Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
5.3 Normal Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
5.4 Lognormal Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
5.5 Exponential Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
5.6 Triangular Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
5.7 Gamma Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
5.8 Rayleigh Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
5.9 Beta Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
5.10 Statistical Probability Distributions . . . . . . . . . . . . . . . . . . . . . 166
5.10.1 Student’s t Distribution . . . . . . . . . . . . . . . . . . . . . . . . 166
5.10.2 Chi-Square Distribution . . . . . . . . . . . . . . . . . . . . . . . . 168
5.10.3 F Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
5.11 Extreme Value Distributions . . . . . . . . . . . . . . . . . . . . . . . . . 169
5.11.1 Introduction to Extreme Value Estimation . . . . . . . . . . . . . 169
5.11.2 Type I Extreme Value (Gumbel) Distributions . . . . . . . . . . . 172
5.11.3 Type II Extreme Value (Frechet) Distributions . . . . . . . . . . . 173
5.11.4 Type III Extreme Value (Weibull) Distributions . . . . . . . . . . 175
5.12 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
5.12.1 Earthquakes and Structures . . . . . . . . . . . . . . . . . . . . . . 176
5.12.2 Failure of Highway Drainage . . . . . . . . . . . . . . . . . . . . . 176
5.13 Simulation and Probability Distributions . . . . . . . . . . . . . . . . . . 177
5.14 A Summary of Distributions . . . . . . . . . . . . . . . . . . . . . . . . . . 179
5.15 Simulation Projects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
5.15.1 Structural Beam Study . . . . . . . . . . . . . . . . . . . . . . . . 179
5.15.2 Stream Erosion Study . . . . . . . . . . . . . . . . . . . . . . . . . 181
5.15.3 Traffic Estimation Study . . . . . . . . . . . . . . . . . . . . . . . 181
5.15.4 Water Evaporation Study . . . . . . . . . . . . . . . . . . . . . . . 181
5.16 Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182



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