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Question: a survey was conducted on the watching news channels the...

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A survey was conducted on the watching news channels; the CNN, the BBC and the Fox news, respectively and the following data was obtained: The number of people who prefer to watch CNN, BBC and Fox news were found to be 25, 24 and 36 respectively The number of people who watch CNN and BBC-11 The number of people who watch BBC and Fox news9 The number of people who prefer to watch CNN and Fox news-18 53 persons watch at least one of the news channels. Find the number of persons watch CNN or BBC but not the Fox news 23 17 25

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