The number of electrical outages in a city varies from day to day. Assume that the number of electrical outages (x) in the city has the following probability distribution. x f(x) 0 0.80 1 0.15 2 0.04 3 0.01 The mean and the standard deviation for the number of electrical outages (respectively) are
a. 2.6 and 5.77
b. 0.26 and 0.577
c. 3 and 0.01
d. 0 and 0.8
B
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Which one of the following was not mentioned as an advantage of writing over oral communication?
A. economy B. efficiency C. accuracy D. immediate feedback
If a firm offers a written warranty, it
A. shouldn't be "deceptive" or "unfair" according to FTC guidelines. B. must be available to buyers before the sale. C. may help create a new strategy. D. must be labeled either "full" or "limited." E. All these answers are correct.
Which of the following correctly describes the accounting for indirect labor costs?
A) Indirect labor costs are product costs and are expensed as incurred. B) Indirect labor costs are period costs and are expensed as incurred. C) Indirect labor costs are product costs and are expensed when the manufactured product is sold. D) Indirect labor costs are period costs and are expensed when the manufactured product is sold.
The ________ exclusively governs suits against foreign nations that are brought in federal or state courts in the United States.
A. United Nations Charter B. Kellogg-Briand Pact C. Foreign Intelligence Surveillance Act (FISA) D. Foreign Sovereign Immunities Act (FSIA)