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In the World Series the first team to win four games wins the championship. If the...

In the World Series the first team to win four games wins the championship. If the two teams are evenly matched, then the probabilities that the series will be decided after 4, 5, 6, or 7 games are given below. a) What is the expected number of games that will be required to decide the championship? b) Calculate the probabilities. Explain your logic and show all work.

Number of games: 4, 5, 6, 7

Probability: 1/8, 1/4, 5/16, 5/16

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