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Review of Probability

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**Probability of Simple Events**

There is a bag that contains 6 white, 7 blue, 11 red, and 1 black marble. A marble is picked at random. Write each probability as a fraction, decimal, and a percent. 1. P(white) P(not blue) 3. P(red or black) P(yellow)

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**Counting Outcomes – Tree Diagrams**

A penny is tossed and a 4 sided number cube with sides of 1, 2, 3 and 4 is rolled. Draw a tree diagram to show the possible outcomes. What is the probability of getting heads and an odd number? 1 2 H 3 4 1 2 T 3 4

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**Counting Outcomes – Fundamental Counting Principle**

A car manufacturer makes 8 different models in 12 different colors. They also offer standard or automatic transmission. How many choices does a customer have? Models(Colors)(Transmissions)=Total Number of Cars 8(12)(2) = 192 The customer can choose from 192 cars.

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**Probability of Compound Events**

A card is picked from a standard deck of 52 cards and is not replaced. A second card is picked. What is the probability that both cards are red? Write your answer as a fraction, decimal and percent.

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