"The entire year (8,766 hours when corrected for leap years) is the denominator for overall mortality, for chronic diseases, and for natural disasters such as earthquakes or volcanic eruptions that can strike anytime. **But in order to calculate risks for such common activities as driving or flying, we have to ascertain first the totals of specific populations engaged in these activities and then to estimate the average hours of annual exposure**. The same sequence applies to quantifying the risks of dying in a hurricane or a tornado: these cyclones are not around every day of the year and do not affect the entirety of large countries." ([Location 2890](https://readwise.io/to_kindle?action=open&asin=B08SGC3TD3&location=2890)) --- **Tags** -- [[quotes]], [[micromorts]], [[risk-management]], [[survivorship-bias]], [[data-analytics]] **Source** -- [[202412030828 - B - How the World Really Works]]