You did much better in Example #2 than you thought; the conclusion should read
60 fatalities per crash × 100 crashes with fatalities over the past 20 years = 6000 passenger fatalities from passenger-jet crashes in the past 20 years
which looks like a Fermi victory (albeit an arithmetic fail).
You did much better in Example #2 than you thought; the conclusion should read
which looks like a Fermi victory (albeit an arithmetic fail).
Lol! Fixed.