7. The substrate concentration X (in mg/cm³) of effluent on a biofilm waste reactor is normally distributed, X~N(0.30,0.06). a) What is the probability that the concentration exceeds 0.50? b) 5% of all concentrations exceed what value?

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The problem involves the substrate concentration \( X \) (in mg/cm\(^3\)) of effluent on a biofilm waste reactor, which is normally distributed. The distribution is given as \( X \sim N(0.30, 0.06) \).

**Questions:**

a) What is the probability that the concentration exceeds 0.50?

b) 5% of all concentrations exceed what value?
Transcribed Image Text:The problem involves the substrate concentration \( X \) (in mg/cm\(^3\)) of effluent on a biofilm waste reactor, which is normally distributed. The distribution is given as \( X \sim N(0.30, 0.06) \). **Questions:** a) What is the probability that the concentration exceeds 0.50? b) 5% of all concentrations exceed what value?
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