If a decision maker believes that the population is normally distributed and the data are known to be ratio level, then the either the t-test or the Wilcoxon signed rank test can be used to test null hypotheses about a single population mean

All of the following statements about risk retention are true EXCEPT

A) It may be used intentionally if commercial insurance is unavailable. B) It may be used passively because of ignorance. C) Its use is most appropriate for low-frequency, high-severity types of risks. D) Its use results in cost savings if losses are less than the cost of insurance.

Services that support the primary processes in the value chain are

a. human resources, legal services, information systems, and management accounting. b. research and development, design, supply, production, marketing, distribution, and customer service. c. research and development, marketing, supply, design, production, distribution, and information systems. d. marketing, legal, and accounting services.