Did I Get This – Probability Rule Two
Marital status can be categorized into: never married, married, widowed or divorced.
According to Infoplease.com, the following are the probabilities of those marital status categories for adults in the United States (data from 2000):
http://phhp-faculty-cantrell.sites.medinfo.ufl.edu/files/2012/12/DIG_06001_100.swf
This document is linked from Basic Probability Rules.