Likelihood 16 : The chance that something will happen in a given timeframe. It is expressed in terms of number of incidents per time period or series of activities
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}