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Thread: Are the following events independent or dependent?

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    Are the following events independent or dependent?




    I asked the following question in an exam. I can argue both ways, but I am very interested in any further thoughts.

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    Are the following events independent or dependent? Please give details of your
    choice. No marks will be given for answers without a reason.

    Event A Parents having a girl as their first child
    Event B Parents having a girl as their second child

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    Re: Are the following events independent or dependent?

    From what I know, I think statistically speaking the third child's gender can be conditional given certain scenarios based on the gender of the first two siblings. I don't believe only a prior singleton pregnancy is considered predictive at this time. But I could be wrong.
    Stop cowardice, ban guns!

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    Re: Are the following events independent or dependent?


    For Event A, FWIW, no, since I've heard that the rate of boys born in countries that are at war is higher than normal.
    B, not independent if you accept above premise.

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