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单选题 PMP
2008-10-24

If a risk event has a chance of occurring 15 times out of 45 times, based on experiences with like events, what is the probability that the event will occur on the next project? （　）
A．90%
B．45%
C．15%
D．33%

A．90%
B．45%
C．15%
D．33%
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参考答案

D

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