1) A bag contains 5 white balls and some blue balls. If the probability of
drawing a blue ball is double that of a white ball

Question

1) A bag contains 5 white balls and some blue balls. If the probability of
drawing a blue ball is double that of a white ball, determine the number of
blue balls in the bag​

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Ximena 3 months 2021-07-24T11:34:56+00:00 2 Answers 0 views 0

Answers ( )

  1. Allison
    0
    2021-07-24T11:36:12+00:00
    Reply

    Answer:

    5 blue balls

    Step-by-step explanation:

    because it is having a carries 10 balls

  2. Piper
    0
    2021-07-24T11:36:27+00:00
    Reply

    Answer:

    10 blue balls

    Step-by-step explanation:

    Let the number of blue balls be x.

    P(white ball) = 5/(x+5)

    P(Blue ball) = x/(x+5)

    According to question,

    2 × 5/(x+5) = x/(x+5)

    => x = 5×2 = 10

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