# Combinatorics Intermediate Challenges-I

Probability Level 4

Six (distinct) people get into an elevator at the ground floor of a hotel which has 10 upper floors. Assuming each person gets off at a randomly chosen floor, what is the probability that no two people get off at the same floor? Express the probability as a decimal, inputing the first 2 decimal places.

This problem is not original. This problem is part of this set.

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