A Manager of the Credit Department for an Oil Company

question 30

Multiple Choice

A manager of the credit department for an oil company would like to determine whether the mean monthly balance of credit card holders is equal to $75.An auditor selects a random sample of 100 accounts and finds that the mean owed is $83.40 with a sample standard deviation of $23.65.If you wanted to test whether the mean balance is different from $75 and decided to reject the null hypothesis,what conclusion could you reach?

• A) There is evidence that the mean balance is not $75.
• B) There is evidence that the mean balance is $75.
• C) There is not evidence that the mean balance is not $75.
• D) There is not evidence that the mean balance is $75.

Identify the factors that influence the accuracy and speed of message transmission within an organization.

Distinguish between the types of chains in the grapevine and their impact on message dissemination.

Comprehend the role of e-body language in virtual communication and its primary components.

Analyze the effects of instant and text messaging in real-time communication compared to email.

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Definitions:

Interest-Rate Cost-of-Funds Curve

A graphical representation depicting the relationship between the cost of funding for lending institutions and different interest rates.

Optimal R&D Expenditures

The most efficient level of spending on research and development activities that maximizes the benefits or returns from innovation.

Expected Rate of Return

The expected rate of return is a forecasted percentage of the amount of profit or loss an investment is predicted to earn over a specific period, based on historical data or statistical analysis.

Patents

Legal documents that grant inventors exclusive rights to their inventions for a certain period, preventing others from making, using, or selling them without permission.