But SAT outcome for individuals is deterministic by design. If there was any significant luck component, it wouldn't be a good measure in the first place. Yet you can't deny the possibility that some fool could score 1500+ by merely circling the correct sequence of bubbles without having much skill. Furthermore winner doesn't take all in SATs. They just go to some college and that's the end of it. Contrast that with the stock market where there is a much more significant luck component and compounded effects of winners taking all and losers getting pruned out year after year.
Your statement, while widely believed has not been proven or disproven by the fact that people's success can be shown on a distribution.
Contrast that with the stock market where there is a much more significant luck component and compounded effects of winners taking all and losers getting pruned out year after year.