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Nine cross country runners compete in a team competition in which there are three matches. If you were a judge how would you decide who would win?
You may like to read the article on Morse code before attempting this question. Morse's letter analysis was done over 150 years ago, so might there be a better allocation of symbols today?
This short article gives an outline of the origins of Morse code and its inventor and how the frequency of letters is reflected in the code they were given.