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77Sample Spaces: Definition and Examples
78Events as Subsets of the Sample Space
79Simple, Compound, and Impossible Events
80Set Operations: Union, Intersection, and Complement
81Mutually Exclusive Events
82Collectively Exhaustive Events
83Partitions of the Sample Space
84The Three Axioms of Probability
85Addition Rule for Mutually Exclusive Events
86General Addition Rule for Overlapping Events
87Multiplication Rule for Independent Events
88General Multiplication Rule
89The Complement Rule
90The Law of Total Probability
91Combining Rules in Multi-Step Problems
92Definition and Notation of Conditional Probability
93Calculating Conditional Probabilities
94The Multiplication Rule
95Chain Rule for Multiple Events
96Conditional Probability in Tree Diagrams
97Law of Total Probability
98Conditional Probability with Tables
99Updating Beliefs with New Information
100Common Conditional Probability Mistakes
101Defining Statistical Independence
102Testing for Independence
103Mutual Independence vs Pairwise Independence
104Dependent Events and Joint Probability
105Independence in Conditional Probability
106Common Misconceptions About Independence
107Bayes' Theorem Formula and Components
108Updating Beliefs with New Evidence
109Medical Diagnostic Testing
110Base Rate Fallacy
111Spam Filtering with Naive Bayes
112Legal Evidence and Jury Reasoning
113Multiple Hypotheses and Total Probability
114Sequential Updating
115Prior Sensitivity Analysis
116From Bayes' Theorem to Bayesian Inference

77Sample Spaces: Definition and Examples
78Events as Subsets of the Sample Space
79Simple, Compound, and Impossible Events
80Set Operations: Union, Intersection, and Complement
81Mutually Exclusive Events
82Collectively Exhaustive Events
83Partitions of the Sample Space
84The Three Axioms of Probability
85Addition Rule for Mutually Exclusive Events
86General Addition Rule for Overlapping Events
87Multiplication Rule for Independent Events
88General Multiplication Rule
89The Complement Rule
90The Law of Total Probability
91Combining Rules in Multi-Step Problems
92Definition and Notation of Conditional Probability
93Calculating Conditional Probabilities
94The Multiplication Rule
95Chain Rule for Multiple Events
96Conditional Probability in Tree Diagrams
97Law of Total Probability
98Conditional Probability with Tables
99Updating Beliefs with New Information
100Common Conditional Probability Mistakes
101Defining Statistical Independence
102Testing for Independence
103Mutual Independence vs Pairwise Independence
104Dependent Events and Joint Probability
105Independence in Conditional Probability
106Common Misconceptions About Independence
107Bayes' Theorem Formula and Components
108Updating Beliefs with New Evidence
109Medical Diagnostic Testing
110Base Rate Fallacy
111Spam Filtering with Naive Bayes
112Legal Evidence and Jury Reasoning
113Multiple Hypotheses and Total Probability
114Sequential Updating
115Prior Sensitivity Analysis
116From Bayes' Theorem to Bayesian Inference

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Lesson 97 of 2,145·3. Probability FoundationsPro lesson

Law of Total Probability

Learn to decompose P(A) across partitions: P(A) = Σ P(A|Bᵢ)×P(Bᵢ) for mutually exclusive Bᵢ.

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