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Question 5
The following shows the results of a wine tasting survey of 100 people: 96 like wine A, 93 like wine B, 96 like wine C, 92 like A and B, 91 like B and C, 93 like A ... show full transcript
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Answer
To represent the survey data in a Venn Diagram:
Fill in the overlaps based on the given data:
90 people like all three wines (A ∩ B ∩ C).
For A and B (but not C), there are:
92 - 90 = 2.
For A and C (but not B), there are:
93 - 90 = 3.
For B and C (but not A), there are:
91 - 90 = 1.
Finally, we calculate those who only like each wine:
The Venn diagram should visually represent these numbers.
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