Suppose that X has a lognormal distribution and that the mean and variance of X are 100

Question:

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.) Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...