What is the Fermi-Dirac statistics?

What is the Fermi-Dirac statistics?
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The Fermi-Dirac statistics is a type of quantum statistics that describes the behavior of fermions, which are a type of subatomic particle that follow the rules of quantum mechanics, and are important in many areas of physics, including the behavior of electrons in solids.
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The Fermi Paradox asks, "Where is everybody?" Could intelligent life be mostly self extinguishing?

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The name of the scientist who discovered neutron is - (1) Fermi (2) Rutherford (3) Chadwick (4) Bohr

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