求问一道概率题

binghefeng · 发表于 2015-1-18 03:48:08

All eight vertices of a cube are colored randomly in either red or blue.
What is the probability that every two vertices which are joined by an edge are colored in different colors?

a. 0 b. 1/256 c. 1/128 d. 1/64 e. 1/32

binghefeng · 发表于 2015-1-18 03:49:11

answer is C

Highlight this floor to see the answer

dingshile · 发表于 2015-1-18 08:32:49

我觉得是1/128

binghefeng · 发表于 2015-1-19 16:05:11

dingshile 发表于 2015-1-18 08:32
我觉得是1/128

谢谢！应该怎么算呢？

求问一道概率题

所属分类: GMAT考试

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