The Probability Pros

The Probability Pros
Topic: Probability, Counting & Combinatorics
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This video creatively teaches how to solve the following problem: A 12-foot by 12-foot bathroom needs to be tiled with 1-foot square tiles. Two of the tiles are the wrong color. If the tiles are placed randomly, what is the probability that the two wrong-colored tiles share an edge?

Common Core Standards: S-CP.9
Problem #: 
116 (2016-2017)
Problem Difficulty Level: 5 [?]