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What is PROBABILITY?

Published on Nov 28, 2015

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1.

PROBABILITY

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2.

WHAT IS PROBABILITY?

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3.

Probability is how likely something is to happen.

4.

EXAMPLES OF PROBABILITY

  • How likely it is for a coin to land on heads
  • How likely it is for a dice to land on 3
  • How likely it is for the spinner to land on green
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5.

How do you determine the likelihood of an event?

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You can make a fraction! You put the number of ways that event could happen over the number of outcomes, and simplify.

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FOR EXAMPLE...

THE PROBABILITY OF A COIN LANDING ON HEADS IS 1/2, 0.5, OR 50%.
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8.

WHAT IS A COMPLEMENT?

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Complements of events are all the outcomes of an event that did not happen. For example, if the outcome of flipping a coin is tails, the complement is heads.

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10.

WHAT IS THE DIFFERENCE BETWEEN

EXPERIMENTAL AND THEORETICAL PROBABILITY?
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11.

Theoretical probability is calculated based on theory. Experimental probability is calculated based on the event that happens as an experiment. In other words, you actually do it.

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Caitlyn Aenis