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There is no simple answer to the question because the children's genders are not independent events.<br> <br> They depend on the parents' ages and their genes.<br> <br> Unfortunately there is no readily available research into <br> <br> the genders of seven or more children to establish the experimental probability for such an outcome.<br> <br> <br> <br> <br> <br> <br> <br> However, if you assume that they are independent events <br> <br> then, given that the probability of a girl is approx 0.48,<br> <br> then the probability of the seventh child being a girl is 0.48.<br> <br> <br> <br> <br> <br> <br> <br> my web blog; ขาย wine - https://www.hoteltunisie.tn/user/screenprint9/