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# Mutually Inclusive Events

## Probability of two events that can occur at the same time P(A or B) = P(A) + P(B) -  P(A and B)

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Mutually Inclusive Events

by CK-12 //basic

Calculate probabilities of mutually inclusive events.

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## Mutually Inclusive Events Principles

by CK-12 //basic

This video gives more detail about the mathematical principles presented in Mutually Inclusive Events.

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• Video

## Mutually Inclusive Events Examples

by CK-12 //basic

This video shows how to work step-by-step through one or more of the examples in Mutually Inclusive Events.

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• Video

## Probability of the Union of Two Events

by CK-12 //basic

Determines the probability of an union of events to occur.

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• Video

by CK-12 //basic

Explains the application of the addition rule when finding the probability of an outcome that satisfies one or both of the conditions.

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• Lesson Plan

## Mutually Inclusive Events Lesson Plan

by CK-12 //basic

This lesson plan covers Mutually Inclusive Events and includes Teaching Tips, Common Errors, Differentiated Instruction, Enrichment, and Problem Solving.

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