d. A product was classified as defective or not defective. Problem #4. Do Americans prefer a name-brand milk or store brand milk? A survey was conducted by Harris Poll Interactive, Inc. in November 2014. Suppose the results, based on 1,138 females and 1,138 males, were as follows: (7 points) GENDER PREFERENCE MALE FEMALE TOTAL NAME-BRAND MILK 319 341 660 Selec STORE-BRAND MILK 717 649 1,366 SOMETHING ELSE 102 148 250 TOTAL 1,138 1,138 2,276 a. Given that an American is a male, what is the probability that he prefers name- brand milk? (2 pts) b. Is preference independent of gender? Tip: Perform the test of independence. (5 pts) JUN 8 tv 4