[IEEE 2016 13th International Scientific-Technical Conference on Actual Problems of Electronics Instrument Engineering (APEIE) - Novosibirsk, Russia (2016.10.3-2016.10.6)] 2016 13th International Scientific-Technical Conference on Actual Problems of Electronics Instrument Engineering (APEIE) - Test power in two-sample problem testing as the utility function in the theory of decision making under risk and uncertainty