DeMorgan’s Laws (SOA Exam P – Probability – General Probability Module )

Описание: Learn DeMorgan’s Laws for SOA Exam P in this clear, example-based tutorial. We use real-world survey data and simple Venn diagrams to explain how the complement of a union equals the intersection of complements and vice versa. This lesson helps you recognize complementary events, work with logical set relationships, and visualize complex probability scenarios without formulas.

You’ll learn:
How to read and interpret DeMorgan’s Laws
Complement and intersection relationships
How to apply these laws using real-life examples
Venn diagram strategies for quick problem solving

AnalystPrep Actuarial Exams Study Packages (video lessons, study notes, question bank, and quizzes) can be found at https://analystprep.com/shop/actuaria...

After completing this video you should be able to:

Define set functions, Venn diagrams, sample space, and events. Define probability as a set function on a collection of events and state the basic axioms of probability.
Calculate probabilities using addition and multiplication rules.

Example given in the video:

A survey of 2000 farmers in the southeast U.S. last year revealed the following information:
351 were from the state of Alabama
1205 grew beans
1110 grew cotton
234 were from Alabama and grew beans
221 were from Alabama and grew cotton
663 grew both beans and cotton
143 were from Alabama and grew both beans and cotton

1. Determine the proportion of those surveyed who grew neither beans nor cotton.
2. Determine the proportion of those surveyed who were not Alabama bean farmers.

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