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标题: GWD13-22 [打印本页]

作者: merit    时间: 2005-6-4 06:39     标题: GWD13-22

Q22:

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

答案 1,1/8

2,1/6

我选了1,答案给2

头晕


作者: merit    时间: 2005-6-7 06:48

thanks  a  lot !!!




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