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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Birth order. A couple plan to have three children. There are 8 possible arrangements of girls and boys. For example, GGB means the first two children are girls and the third child is a boy. All 8 arrangements are (approximately) equally likely
(a) Write down all 8 arrangements of the sexes of three children. What is the probability of any one of these arrangements?
(b) What is the probability that the couple’s children are 2 girls and 1 boy?
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