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Mathematics, 12.01.2020 04:31 mmuehling929p34r7g

An experiment consists of recording the sex composition, in order of their births, of a four-child family in which the children were born at different times. assuming that a boy is equally likely as a girl to be born into a family, what is the probability that a four-child family chosen at random will have the following?

(a) three boys and a girl in the family

(b) a youngest child in the family who is a girl

(c) an oldest child and a youngest child in the family who are both boys

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