Free-Electron Theory of Metals: for a Solid in Which the Occupation

Short Answer

Free-electron theory of metals: For a solid in which the occupation of the energy states is given by the Fermi-Dirac distribution, the probability that a certain state is occupied at a temperature T₀ is 0.70. If the temperature is doubled to 2T₀, what is the probability that the same state is occupied? Assume that the Fermi energy does not change with temperature.