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Could you give me examples of conjectures based on perceived patterns but proved to be wrong? Fermat numbers, with Fermat's conjecture that all Fermat numbers are primes, would be one example that I know of. I would appreciate elementary examples which are easy to understand.

The reason that I am asking for this is that I am doing some business studies, and I would like to persuade fellow students (and maybe the tutors), with examples, that it is very easy to jump to the wrong conclusions from perceived patterns.

Besides maths, any science example would also be welcome.

Regards

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# Perceived patterns

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