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A bag has 3 red marbles and 6 blue marbles. What is the probability of drawing a red marble?

A bag has 3 red marbles and 6 blue marbles. What is the probability of drawing a red marble?. 1/3. The probabilities of all the outcomes in the sample space add up to _____. 1.

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A bag has 3 red marbles and 6 blue marbles. What is the probability of drawing a red marble?

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  1. A bag has 3 red marbles and 6 blue marbles. What is the probability of drawing a red marble? 1/3

  2. The probabilities of all the outcomes in the sample space add up to _____. 1

  3. Of the garbage collected in a city, it is expected that about 1/5 of the garbage will be recycled. What is the probability that the garbage will be recycled? Not recycled? • 1/5 • 4/5

  4. About 85% of the people attending a band’s CD signing have already heard the CD. What is the probability of people who have heard the CD? Not heard the CD? • 85% • 15%

  5. A marble is drawn at random from a box that contains 8 red, 15 blue and 7 white marbles. What is the probability of drawing a red marble? • 4/15

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