Welcome to Westonci.ca, the place where your questions are answered by a community of knowledgeable contributors. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.

4.15. a family has ???? children with probability ????p????, ???? ???? 1, where ???? ???? ????1 ???? p????/p. a. what proportion of families has no children? b. if each child is equally likely to be a boy or a girl (independently of each other), what proportion of families consists of ???? boys (and any number of girls)?