According to the national center for health statistics, each time a baby is born, the probability that it is a boy is always 51% and girl is 49% regardless of the sex of any previous birth in the family. suppose a couple has four children. a. what is the probability they are all girls? b. what is the probability there are one girl and three boys?



Of all first a couple should have only 1 or 2 children they must accept both girl child and boychild without showing any discrimination