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 wrong 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 wrong hats?
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.CT: Chapter Test
Problem 4CT: Over the past year, John has purchased 30 books. a In how many ways can he pick four of these books...
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