0000:00:00:00:00Start3Number 3ExplanationA family has 333 children. It is known that at least one of the children is a girl. The probability that the family has 222 girls and 111 boy is12\frac{1}{2}2117\frac{1}{7}7114\frac{1}{4}4137\frac{3}{7}7389\frac{8}{9}98
3Number 3ExplanationA family has 333 children. It is known that at least one of the children is a girl. The probability that the family has 222 girls and 111 boy is12\frac{1}{2}2117\frac{1}{7}7114\frac{1}{4}4137\frac{3}{7}7389\frac{8}{9}98
