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

question 108

Short Answer

TABLE 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 Table 7-6,the population mean of all possible sample proportions is ________.

---

Definitions:

Reward-to-Variability Ratio

A measure of the return on an investment relative to its risk, higher values indicate better risk-adjusted returns.

Standard Deviation

A statistical measure that quantifies the variability or dispersion of a set of data points or the volatility of an investment's returns.

Risk-Free Rate

The theoretical rate of return on an investment with zero risk, typically represented by the yield on government securities.

Firm-Specific Risk

This is the type of risk that affects only a particular company or industry, not the entire market or economy.