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A $3\times3\times3$ cube is painted red and cut into 27 unit cubes. You pick one at random, roll it, and see a red face. What is the probability it came from a corner? Give a decimal.

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Conditional probability and Bayes

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A 3×3×33\times3\times33×3×3 cube is painted red and cut into 27 unit cubes. You pick one at random, roll it, and see a red face. What is the probability it came from a corner? Give a decimal.

More probability questions

A $3\times3\times3$ cube is painted red and cut into 27 unit cubes. You pick one at random, roll it, and see a red face. What is the probability it came from a corner? Give a decimal.