6. Staggering into his club’s cloakroom after a hard evening, Tit saw 6 hats on the shelf. A little later, Tat came into the cloakroom and took a hat that he thought was his. The next day, each man discovered that he had someone else's hat. In how many ways could both Tit and Tat have gotten the w hats?
6. Staggering into his club’s cloakroom after a hard evening, Tit saw 6 hats on the shelf. A little later, Tat came into the cloakroom and took a hat that he thought was his. The next day, each man discovered that he had someone else's hat. In how many ways could both Tit and Tat have gotten the w hats?
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.6: Permutations And Combinations
Problem 59E
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