Control Risk Analysis - Event Probability Assessment





Tool Parameters
Values displayed with a may be changed ... click on a value to display an entry form ... or use the arrows right of a value to select from a list.
Tool Behaviour
This tool exhibits spreadsheet-like behaviour ... change a value and related values are re-calculated automatically.
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Notes on Risk Analysis - Event Probability Assessment
  • This tool determines the number of events likely to occur during the lifespan of an operation such that probability of exceedance is limited to a specified value.
  • Analysis of probability of exceedance is based on a Poisson distribution of event occurrences.
  • 1 < Lifespan of Operation < 100
  • 0.1 < Probability of Exceedance < 100