• apoorvk
$$\Huge\sigma$$ $$\large \text{What is a 'sigma' proof?}$$ Three days back, in arguably this millenium's biggest announcement yet from the world of Physics, CERN scientists briefed us about the discovery of a new Boson like particle, stating that they had about a "4.5 sigma proof" of it's discovery. Also, they mentioned that a minimum of 5 sigmas is required for the doubtless confirmation of any fact or theory. What is this ''sigma proof", and what does it signify in layman terms?
Mathematics

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