I should think quite high, if the cause was something like
coronary arrest, petit mal or grand mal attack, or stroke.
All it takes is for some incapacitating effect to strike
while she is next the pool, or near it in the case of one
with spasmodic side-effects.
Requiescat in pace.
-- #ken P-)}Ken Coar <http://Web.Golux.Com/coar/> Apache Software Foundation <http://www.apache.org/> "Apache Server for Dummies" <http://ASFD.MeepZor.Com/>