Use something that is only 80% correct.

Seek to be 100% right and choose the 95% correct option. Assume you’re 100% right and 5% wrong. I can’t correct it because I think it’s right.

Use what is 80% correct with the understanding that it is only 80% correct. Use twice when you need precision, if you’re 80% right twice and the results are the same, you’re 94% right. If the results are different, you know it’s uncertainty high

relevance - All data is a lie

$\frac{0.8\ast 0.8}{0.8\ast 0.8+0.2\ast 0.2}$

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