Do Americans prefer 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:   A.Given that an American is a male,what is the probability that he prefers name-brand milk? B.Given that an American is a female, what is the probability that she prefers name-brand milk? C.Is preference independent

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A: GIVEN: Age Responds Refuse to respond Total 18-21 70 12 82 22-29 240 19 259 Total 310 31…

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A: The correct option is C

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A: It is needed to test, whether age and preferred music are independent.