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10 June, 17:27

A bag contains 5 white marbles and 5 blue marbles. You randomly select one marble from the bag and put it back. Then, you randomly select another marble from the bag. Which calculation proves that randomly selecting a white marble the first time and a blue marble the second time are two independent events?

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  1. 10 June, 17:35
    0
    Event A = white marble is selected

    Event B = blue marble is selected

    P (A) = 5/10 = 1/2

    p (B) = 5/10 = 1/2

    Probability that A and B are independent events is:

    P (A∩B) = 1/2 * 1/2

    Answer: 1/4
  2. 10 June, 19:35
    0
    Answer: C) P (A and B) = 1/2 1/2
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