Short Answer
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 7-7,90% of the samples proportions symmetrically around the population proportion will have between ________% and ________% of the customers who take advantage of online customer service.
Correct Answer:
Verified
Correct Answer:
Verified
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