Mathematics, 05.04.2021 23:50 EbonyMontricee

3.X is random variable representing the concentration in kg/day/km of a nonpoint source load of total dissolved solids in a river at a certain time and location. The random variable is assumed to be model using log normal distribution with a mean value of 8,000 and a coefficient of variation of 0.4. a. What is the mean value and standard deviation of ln(X)

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