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一道泊松分布题。

An inspection plan is setup to randomly sample 3m of a 100m cable and accept the cable if no flaws are found in the 3m length. What is the probability that a cable with an average of 1 flaw per meter will be rejected by the plan?
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lamda = 3/100 = 0.03
然后算就0.01的概率可以了

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