383-Fall11-Lec14-page14

383-Fall11-Lec14-page14 - Earthquake , Alarm , JohnCalls ,...

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14 Example: Home security I'm at work, and my neighbor John calls to say my alarm is ringing, but my neighbor Mary doesn't call. We live in California, and sometimes the alarm is set off by minor earthquakes. Is there a burglar? Variables: Burglary ,
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Unformatted text preview: Earthquake , Alarm , JohnCalls , MaryCalls We have some probabilistic causal knowledge: A burglar can set the alarm off An earthquake can set the alarm off The alarm can cause Mary to call The alarm can cause John to call...
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