Which of the following characteristics is not true for the exponential distribution?
A) It is discrete probability distribution.
B) It is also called the negative exponential distribution.
C) It is used in dealing with queuing problems.
D) It is used to describe the times between customer arrivals.
E) The variance is the square of the expected value.
A
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Indicate whether the statement is true or false.
Which of the following exemplifies a pure competitive market?
A) a market where many buyers and sellers trade over a range of prices rather than a single market price B) a market where a single firm controls the larger fraction of the market share C) a market where a few powerful firms control the larger fraction of the market share D) a market characterized by only a few large sellers E) a market where many buyers and sellers trade in a uniform commodity