Explanation:
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- Let the number of people who drink only tea be n( only T ) , the number of people who drink only coffee be n ( only C ) , the number of people who drink both tea and coffee be n ( T ∩ C ) and the number of people who drink beverages be n ( T ∪ C ).
- n ( only T ) = 18
- n ( only C ) = 33
- n ( T ∩ C ) = 25
- n ( T ∪ C ) = 18 + 25 + 33 = 76
- n ( U ) = 76 + 45 = 121
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Number of people who do not drink tea = n ( U ) - n ( only T ) + n ( T ∩ C )
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