About: http://webisa.webdatacommons.org/93217818

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	With that bag, there is a 1 in 4 chance of picking a black marble. 1/2 * 1/4 = 1/8. 3/8 + 1/8 = 4/8 = 1/2 = 50%.
http://www.w3.org/ns/prov#wasQuotedFrom	braingle.com