a) Define a derangement.________________b) Why is counting
Chapter 10, Problem 16RQ(choose chapter or problem)
Problem 16RQ
a) Define a derangement.
b) Why is counting the number of ways a hatcheck person can return hats to n people, so that no one receives the correct hat, the same as counting the number of derangements of n objects?
c) Explain how to count the number of derangements of n objects.
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