Math Problem of the Week #11

Three kids are standing in a row. Each of them are asked to say their favorite planet in the solar system. Since there are 8 planets, and each kid must choose one planet, and assuming it is chosen randomly, what is the probability that they all choose the same planet?


2 thoughts on “Math Problem of the Week #11

  1. Close. The first kid can choose any of the eight planets. The second kid has to choose the planet the first kid chose. The third kid has to do the same as the second kid. Therefore, the answer is 1*1/8*1/8=1/64. 🙂


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