Question 1181003
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                    D U P L I C A T E 



Hello,  I saw several similar posts today,  and I suppose that they all came from one person.



In all these posts,  you insistently/systematically use the combination of words  "a non-mutually exclusive event".



            This combination of words is  ERRONEOUS  and  INCORRECT.



When people talk about mutually exclusive events,  they  ALWAYS  use  PLURAL  to denote two or more events.


One single event  CAN  NOT  be a mutually exclusive:  only a pair of events,  meaning two events, 

or even more than two events should be considered to apply this term to them,  but not one single event.



            So,  PLEASE  never say it again  "a non-mutually exclusive event".



When you say it this way,  you demonstrate  FROM  THE  VERY  BEGINNING  that you do not know terminology 

and do not understand the subject you are talking about.



See this authoritative source - Wikipedia article on  "mutually exclusive events"


https://en.wikipedia.org/wiki/Mutual_exclusivity



When you come with correct terminology,  then a discussion and explanations will be possible.