Brian Vanecek, VP of Operations at Portland Trust Bank, Is

question 37

Multiple Choice

Brian Vanecek, VP of Operations at Portland Trust Bank, is evaluating the service level provided to walk-in customers.Accordingly, his staff recorded the waiting times for 64 randomly selected walk-in customers and determined that their mean waiting time was 15 minutes.Assume that the population standard deviation is 4 minutes.The 95% confidence interval for the population mean of waiting times is ________.

• A)14.02 to 15.98
• B)7.16 to 22.84
• C)14.06 to 15.94
• D)8.42 to 21.58
• E)19.80 to 23.65

---

Definitions:

Working-Class Man

A working-class man refers to an individual who performs manual labor or is employed in low-paying wage jobs, often viewed as part of the broader working class.

Television

A system for transmitting visual images and sound that are reproduced on screens, primarily used for broadcasting entertainment, news, and information.

Racial and Ethnic Differences

Variations in the characteristics, histories, and cultures among groups of people identified by their race and ethnicity.

Portrayed

Represented in art or literature.