Number of SiblingsProbability puzzles require you to weigh all the possibilities and pick the most likely outcome.
Ten-year-old Bert Sampson lives in the town of Springvale, where, out of all households:
2% include five children 7% include four children 14% include three children 31% include two children 16% include one child 30% do not include any children What are the chances that Bert lives with two sisters and no brothers? (Consider all children living in any given house as siblings). What Next?
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