Solution Found!
Assume that the probability a child is a boy is 0.51 and
Chapter 10, Problem 28E(choose chapter or problem)
Assume that the probability a child is a boy is 0.51 and that the sexes of children born into a family are independent. What is the probability that a family of five children hasa) exactly three boys?________________b) at least one boy?________________c) at least one girl?________________d) all children of the same sex?
Questions & Answers
QUESTION:
Assume that the probability a child is a boy is 0.51 and that the sexes of children born into a family are independent. What is the probability that a family of five children hasa) exactly three boys?________________b) at least one boy?________________c) at least one girl?________________d) all children of the same sex?
ANSWER:Step 1 of 5
The probability that a child is a boy is , so the probability that a child is a girl is .
It is also known that the family has 5 children.