Question: Suppose that X has a lognormal distribution and that the mean and variance of X are 100 and 85,000, respectively. Determine the parameters and of

Suppose that X has a lognormal and that the mean and variance of X are 100 and 85,000, respectively. Determine the parameters and of the lognormal
(Hint: define x = exp (θ) and y = exp (w2) and write two equations in terms of x and y.)

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