A particular brand of dishwasher soap is sold in three sizes: 30 oz, 35 oz, and 60 02. Twenty percent of all purchasers select a 30-02 box, 50% select a 35-02 hex, and the remaining 30% choose a 60-02 box. Let X1 and X2 denote the package sizes selected by two independently selected purchasers. {a} Determine the sampling distribution of E. Calculate E{X]. 500 E Compare El?) to pi. Q HZ?) <: pl eu p: e0 s determine the sampling distribution of sample variance calculate h.523. m: compare to :3 a: as c e>