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Family or Child First?

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Visit this site: http://mathforum.org/dr.math/faq/faq.boygirl.choose.html

Author:Math Forum, a Classic Problem from the Ask Dr. Math FAQ
Description: In a two-child family, one child is a boy. What is the probability that the other child is a girl? Discusses the difference between choosing the child first and choosing the family first, and why they're mathematically different.

Levels: Elementary, Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Problems/Puzzles
Math Topics: Permutations/Combinations, Probability

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