It's not better; it's almost exactly that, as detailed in many comments below. I choose slightly different thresholds -- 75% is not very high, you'll be wrong one time in 4 -- but that's the approach.
If you're already doing log normal modeling of your estimates, and including sick days, social loafing, etc, then you don't need Vistimo Quotes. Just keep doing what you're doing!
If you're already doing log normal modeling of your estimates, and including sick days, social loafing, etc, then you don't need Vistimo Quotes. Just keep doing what you're doing!