March 2018
Intermediate to advanced
480 pages
13h 46m
English
If Mr. Holmes’ neighbor Dr. Watson called to report that he sees a lurker, Mr. Holmes would reason that there probably is a lurker; therefore he might be burglarized, which means his alarm might sound. However, if Mr. Holmes already knew there was a burglar as depicted above, then the phone call could not make a burglar more likely, which means the likelihood of the alarm sounding would not go up. This conditional independency, however, does not follow from the statement of the Markov condition. That is, the Markov condition only says that Lurker and Alarm are independent given Burglar; it ...
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