題組內容

1.[30%] The daily concentration of pollutants in a river has a mean of 70 mg/ and a standard deviation of 10 mg/l.

(ii) (10%) Suppose that the pollutant concentration between different days of a woek is statistically independent. What is the probability that the critical level of pollutant concentration would not be reached during a given week?

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詳解 #6090167

2024/05/07

(共 1 字，隱藏中）

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