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

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Definitions:

Disturbances

Interruptions or disruptions to the normal or expected state of things, often causing chaos or unrest.

Formal Networks

The transmission of messages established and approved by the organizational hierarchy.

Grapevines

Informal channels of communication within an organization, often characterized by rumors or unverified information.

Gossip Chains

A type of communication that occurs when one individual creates and spreads untrue or inaccurate information through the organization.