From: utzoo!decvax!harpo!npois!alice!rhm
Newsgroups: net.math
Title: puzzle
Article-I.D.: alice.624
Posted: Tue Jun  8 05:02:44 1982
Received: Wed Jun  9 00:46:59 1982

Someone once told me that the probability of Christmas falling on
a Sunday is not precisely 1/7.  Anyone know what it is?