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Old 04-18-2018, 02:45 PM
  #11  
PerfInit
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Joined APC: Oct 2008
Position: JAFO- First Observer
Posts: 997
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For those into probability and stats, 1x10-7 is frequently used as a mathematical qualifier for risk assessments such as ETOPS emergency situations quantified as acceptable/very low/improbable. We wouldn’t want to over-regulate...
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