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My approach is below:
At least 70% like Apples...hence at most 30% dislike apples
At most 25% dislike Bananas and at most 20% dislike cherries
Hence at most: 30+20+25=75% dislike all three fruits
Which follows at least 100-75= 25% like all three fruits (Complementary probability function)
- by arunln
Fri Aug 24, 2012 6:12 am- Forum: Problem Solving
- Topic: least value venn diagram
- Replies: 94
- Views: 54473