code: @Override
  	public double getQuantileExpectation(double quantileStart, double quantileEnd) {
  		return ((RandomVariableAAD) getRandomVariableInterface()).getRandomVariableInterface().getQuantileExpectation(quantileStart, quantileEnd);
  	}
docs: /* (non-Javadoc)
  @see net.finmath.stochastic.RandomVariable#getQuantileExpectation(double, double)