Let U represent the set of people in a certain community who were asked if they subscribe to an information source.Let D ={ x â U | x subscribes to The Daily Informer }andN ={ x â 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 ⪠Db) ( N c â© D ) ⪠( N â© D c )c) N c â© Dd) ( N â© D )ce) ( N c ⪠D ) â© ( N ⪠D c )
