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# a married couple agreed to continue bearing a new child until they get two boys , but not more than 4 children .assuming that each time that a child...

a married couple agreed to continue bearing a new child until they get two boys , but not more than 4 children .assuming that each time that a child is born . the probability that is a boy is 0.5 independent from all other times . find the probabilitythat the couple has atleast two girls