Refer to the following UML class diagram to answer the question below about the relational database based on this model.The Purchases table would have four foreign keys.

Answer the following statement true (T) or false (F)


True

Business

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According to the text, ________ means that all the objects fall into one of the classes

A) mutually exclusive B) collectively exclusive C) mutually exhaustive D) collectively exhaustive E) object non-overlap

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A pulley system has a mean time between failures of 273 hr and mean time to repair of 16 hr. In this case, the availability is ______.

A. 0.945 B. 0.970 C. 0.900 D. 0.910

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The most common form of deletion in Windows-based systems is nominal deletion

Indicate whether the statement is true or false.

Business

The intercept of the flexible budget line is: 

A. contribution margin. B. sales. C. variable costs. D. fixed costs.

Business