def METHOD_NAME(self, dut):
    """Confirms that a subclass instance of Distribution
    * binds the base methods, and
    * supports copy/deepcopy (even though the superclass does not).
    """
    self.assertIsInstance(dut, mut.Distribution)
    copy.copy(dut)
    copy.deepcopy(dut)
    dut.Sample(generator=RandomGenerator())
    dut.Mean()
    dut.ToSymbolic()