Instruction 7-7
Online customer service is a key element to successful online retailing.According to a marketing survey,37.5% of online customers take advantage of the online customer service.Random samples of 200 customers are selected.
-Referring to Instruction 7-7,________% of the samples are likely to have between 35% and 40% who take advantage of online customer service.

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The Answer of Instruction 7-7
Online customer service is a key element to successful online retailing.According to a marketing survey,37.5% of online customers take advantage of the online customer service.Random samples of 200 customers are selected.
-Referring to Instruction 7-7,________% of the samples are likely to have between 35% and 40% who take advantage of online customer service.

Instruction 7-7 Online Customer Service Is a Key Element to Successful Online