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Course 2, Lesson 39, Proportions

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Author: Hector Soto
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1. Represent proportional relationships by equations. 2. Understand that the probability of a chance event is a number between 0 and 1 that expresses the likelihood of the event occurring. Larger numbers indicate greater likelihood. A probability near 0 indicates an unlikely event, a probability around 1/2 indicates an event that is neither unlikely nor likely, and a probability near 1 indicates a likely event. 3. Approximate the probability of a chance event by collecting data on the chance process that produces it and observing its long-run relative frequency, and predict the approximate relative frequency given the probability. 4. Develop a uniform probability model by assigning equal probability to all outcomes, and use the model to determine probabilities of events.

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Tutorial

Proportions

Source: Deanna Ray