Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Fundamental Counting Principal - Concept

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Introduction to Probability - Problem 6

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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The probability of an event happening is found by writing the number of successful outcomes divided by the number of total outcomes. we look at some basic examples to emphasize the concepts. The probability that an event does not happen is called the complement of that event and is found by doing 1 minus the probability that the event does occur. If you want to find the probability of one or another non-overlapping events happening, you use the sum of the two events' probabilities.

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