QUESTION 1 A government agency receives many consumer complaints that the boxes of detergent sold by a company contain less than the 20 oz of detergent advertised. To check the consumers' complaints, the agency purchases 100 boxes of the detergent and finds that the sample mean is 19.3 oz and the sample standard deviation is 4 oz. The agency conducts a testing of the following hypotheses at the 10% level of significance: Ho:W = 20 H1:H