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World Population and Four Dice (Math Chat)

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Visit this site: http://www.csmonitor.com/cgi-bin/getasciiarchive?script/97/01/31/013197.feat.scitech.3

Author:Frank Morgan; Christian Science Monitor
Description: Answers to the old challenge (Estimate what fraction of the people who have ever lived on Earth are alive on Earth today.) plus a new challenge and an additional problem and answer (courtesy S. H. Logue: Ann learned that her old dot-matrix printer can create many graphics characters, each composed of any combination of 96 dots in a small rectangle 8 dots high by 12 dots wide. Ann decides to print out one of every possible character pattern, ranging from all-dots- white to all-dots-black, on a long tape, 10 patterns per inch. How long is the finished tape?).

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

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