SCENARIO 7-6 Online Customer Service Is a Key Element to Successful Online

question 94

Short Answer

SCENARIO 7-6
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 Scenario 7-6,the population mean of all possible sample proportions is .

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