Question: A puzzle in the newspaper presents a matching problem. The names of 10 U.S. presidents are listed in one column, and their vice presidents are

A puzzle in the newspaper presents a matching problem. The names of 10 U.S. presidents are listed in one column, and their vice presidents are listed in random order in the second column. The puzzle asks the reader to match each president with his vice president.

a.If you make the matches randomly, how many matches are possible?

b.What is the probability all 10 of your matches are correct?(Round your answer to 8 decimal places.)

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