Regarding knowledge requirements, what is the current likely relationship between formal schooling and required knowledge at year twenty of a career?

Answer

Only about 20% of required knowledge at year twenty was taught in formal schooling

The text suggests that for a professional twenty years into a field, perhaps only 20% of the required knowledge was taught in formal schooling, forcing constant, just-in-time learning.

Regarding knowledge requirements, what is the current likely relationship between formal schooling and required knowledge at year twenty of a career?
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