question archive Assume that, when a child is born, the probability it is a girl is ½ and that the sex of the child does not depend on the sex of an older sibling
Assume that, when a child is born, the probability it is a girl is ½ and that the sex of the child does not depend on the sex of an older sibling
Subject:MathPrice: Bought3
Assume that, when a child is born, the probability it is a girl is ½ and that the sex of the child does not depend on the sex of an older sibling.
i) Find the probability distribution for the number of girls in a family with 4 children. [4 Marks]
ii) Find the mean and the standard deviation of this distribution.
