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13.5 Exercise 27

Avg difficulty 2.5

Assume that there are $n$ ways an event $A$ can happen, $m$ ways an event $B$ can happen, and that $A \text{and}\textrm{ } B$ are non-overlapping.

Use the Addition Principle of counting to explain how many ways event $A \text{or}\textrm{ } B$ can occur.

OpenStax Algebra and Trigonometry 2e, 13.5 Counting Principles, exercise 27

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.