At Least I Have 2 Shoes, Even If They Do Not Match

Discrete Mathematics Level 4

Alice, Benedict, Calvin, Dennis and Evelyn attended a party. At the end of the night, they each randomly grabbed a left shoe and a right shoe. What is the probability that each person left with exactly one of their own shoes?

Note: If the probability is 1%, enter it as 0.01.

Calvin Lin by Calvin Lin
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