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Mathematics, 04.01.2020 01:31, Jazzy2006
Let u represent the set of people in a certain community who were asked if they subscribe to an information source.
let d ={ x β u | x subscribes to the daily informer }
and
n ={ x β u | x subscribes to news magazine }
(assume these sets are not disjoint.) write the set that represents the set of people surveyed who subscribe to exactly one of the two news sources given.
a) n βͺ d
b) ( n c β© d ) βͺ ( n β© d c )
c) n c β© d
d) ( n β© d )c
e) ( n c βͺ d ) β© ( n βͺ d c )
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Answers: 3
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