TABLE 8-15
A sales and marketing management magazine conducted a survey on salespeople cheating on their expense reports and other unethical conduct. In the survey on 200 managers, managers have caught salespeople cheating on an expense report 58% of the time, working a second job on company time 50% of the time, listing a "strip bar" as a restaurant on an expense report 22% of the time, and giving a kickback to a customer 19% of the time.
-Referring to Table 8-15, a 95% confidence interval will contain 95% of the population proportion of managers who have caught salespeople cheating on an expense report.

Question

TABLE 8-15
 A sales and marketing management magazine conducted a survey on salespeople cheating on their expense reports and other unethical conduct. In the survey on 200 managers, managers have caught salespeople cheating on an expense report 58% of the time, working a second job on company time 50% of the time, listing a "strip bar" as a restaurant on an expense report 22% of the time, and giving a kickback to a customer 19% of the time.
-Referring to Table 8-15, a 95% confidence interval will contain 95% of the population proportion of managers who have caught salespeople cheating on an expense report.

Quizplus · Accepted Answer

A 95% confidence interval estimates the range in which the true population proportion is likely to fall, not that it will contain 95% of the population proportion.

TABLE 8-15 a Sales and Marketing Management Magazine Conducted a Survey