Example: Probability through counting outcomes | Precalculus | Khan Academy

June 27, 2010
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Khan Academy
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Example: Probability through counting outcomes | Precalculus | Khan Academy

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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/statistics-probability/probability-library/probability-sample-spaces/v/events-and-outcomes-3

The probability of getting exactly 2 heads when flipping three coins. Thinking about this by visualy depicting all of the outcomes.

Practice this lesson yourself on KhanAcademy.org right now:

https://www.khanacademy.org/math/precalculus/prob_comb/prob_combinatorics_precalc/e/probability_with_perm_comb?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus

Watch the next lesson: https://www.khanacademy.org/math/precalculus/prob_comb/prob_combinatorics_precalc/v/coin-flipping-example?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus

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