MathCastle
Counting & ProbabilitySuperchallengeCounting Strategies: Casework, Complementary & Overcounting

Counting Strategies: Casework, Complementary & Overcounting · Superchallenge problem

A permutation of {1,2,…,8}\{1,2,\dots,8\} is chosen uniformly at random. What is the probability that it has at least one fixed point?

Express your answer as a common fraction.