Aparticular brand of dishwasher soap is sold in three sizes: 35 oz, 40 oz, and 65 oz. twenty percent of all purchasers select a 35-oz box, 50% select a 40-oz box, and the remaining 30% choose a 65-oz box. let x1 and x2 denote the package sizes selected by two independently selected purchasers.(a) determine the sampling distribution of x. x3537.5405052.565