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标题: GWD-23题 [打印本页]

作者: fidelkoo 时间: 2010-7-7 16:45 标题: GWD-23题

When tossed, a certain coin has equalprobability of landing on either side. If the coin is tossed 3 times, what is the probability that it will landon the same side each time?

A. 1/8 B.1/4 C.1/3 D.3/8 E. 1/2

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答案是B

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