A bin contains 100 batteries (all size C). There are 40 Eveready, 11 Duracell, 30 Sony, 10 Panasonic, and 9 Rayovac batteries. One battery is selected at random from the bin. Find the probability that the battery selected is a Duracell, Eveready, or Sony.
What will be an ideal response?
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Which of the following exceptions will be generated by trying to access a disk drive that doesn’t contain a disk?
(A) NullReferenceException (B) IndexOutOfRangeException (C) IO.DirectoryNotFoundException (D) OverflowException
To retrieve specific columns from a table, use _________ to separate the column names.
a. ? b. * c. , d. -
In a small business, a department might be managed by no more than one manager, and each manager manages no more than one department. This is an example of a ________ relationship
A) many-to-many B) one-to-one C) one-to-many D) You cannot create this type of relationship without a junction table.
Which of the following is not a recent development in e-commerce?
A) Wireless Internet connections grow rapidly.
B) Social networking sites become a new platform for e-commerce.
C) The music recording industry is disrupted as music creation and distribution become decentralized.
D) Online entertainment business models surge.