A couple plans to have 3 children, what is the probability that atleast two will be boys?

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A couple plans to have 3 children, what is the probability that atleast two will be boys?

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Trung Dũng 7 months 2021-07-28T02:53:35+00:00 2 Answers 3 views 0

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  1. haidang
    0
    2021-07-28T02:55:09+00:00
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    1/4 or 25 percent because there is a 1/2 chance to get a boy or girl so the probability that will be boys us 1/2 x 1/2= 1/4

  2. kiet
    0
    2021-07-28T02:55:28+00:00
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    Answer:

    There are 2^3=8 possible combinations for two genders for three children.

    There are 2^3=8 possible combinations for two genders for three children.There are (GGG, GGB, BGG, GBG) = 4 combinations where at least two of the children are girls.

    There are 2^3=8 possible combinations for two genders for three children.There are (GGG, GGB, BGG, GBG) = 4 combinations where at least two of the children are girls.Therefore, there is a 4/8 = 1/2 probability that there will be at least two girls in the family of three children.

    Step-by-step explanation:

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