Suppose that 21 observations are taken at random from an exponential distribution for which the mean

Question:

Suppose that 21 observations are taken at random from an exponential for which the mean μ is unknown (μ > 0), the average of 20 of these observations is 6, and although the exact value of the other observation could not be determined, it was known to be greater than 15. Determine the M.L.E. of μ. 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...