SOLUTION: 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 secon
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Probability-and-statistics
-> SOLUTION: 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 secon
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Question 1142662: 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. If you make the matches randomly, how many matches are possible? What is
the probability all 10 of your matches are correct? Answer by ikleyn(52879) (Show Source):
(a) How many matches are possible ? - One correct match. ANSWER
(b) What is the probability . . . ? - There is only one correct match among 10! = 10*9*8*7*6*5*4*3*2*1 permutations.
- The probability is P = . ANSWER
Use your calculator to get the numerical value.
