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3 November, 08:23

A bag contains 2 red, 5 blue, and 3 green balls. A ball is chosen at random. The probability of choosing a red ball is 1/5. What is the probability of not choosing a red ball?

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Answers (2)
  1. 3 November, 09:19
    0
    4/5

    Step-by-step explanation:

    If the probability of choosing a red ball is 1/5, then the probability of this not happening is 1 - 1/5, or 4/5.
  2. 3 November, 12:20
    0
    4/5

    Step-by-step explanation:

    Since the total of all the balls are 2 + 5 + 3 = 10

    The probability of choosing not a red ball is (5 + 3) / 10 which is 8/10 or 4/5

    The easier way is to go like this: 1 - 1/5 = 4/5

    Answer: 4/5
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