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A newly discovered species in Africa is studied. The assumption of Pref. Null is that their average weight is 25.5 kilogram, while Dr. Alternative believes that it is 32.2 kilogram. What is the most powerful critical region of size oos to test the rst assumption against the second if we work with a sample of size 1GB? [You mayr assume normalitv for the weight with standard deviation 3.? kilogram.) It is when the sample mean is at least {3 21st kg. {3 25.5545 kg. {3 senses kg. {3 2s.4sss kg