Solution Found!
A family has n children with probability ?pn,n ? 1, where
Chapter 4, Problem 14P(choose chapter or problem)
QUESTION:
Problem 14P
A family has n children with probability αpn,n ≥ 1, where α ≤ (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 k boys (and any number of girls)?
Questions & Answers
QUESTION:
Problem 14P
A family has n children with probability αpn,n ≥ 1, where α ≤ (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 k boys (and any number of girls)?
ANSWER:
Solution:
Step 1 of 3:
A family has n children with probability ,
1, where
(1-p)/p.
- We have to find what proportion of families has no children.
- We have to find the proportion of families consists of k boys, if each child is likely to be a boy or a girl.