It is known that the population variance equals 484 . With a 0.95 probability, the sample size that needs to be taken if the desired margin of error is 5 or less is
a. 25
b. 74
c. 189
d. 75
D
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A mixed cost has:
A. both fixed and variable cost components. B. either fixed or variable cost components, but not both. C. only fixed cost components, both within and outside of the relevant range. D. only variable cost components, both within and outside of the relevant range.
________ allows firms to sell products, advertise, purchase supplies, bypass intermediaries, track inventory, and eliminate paperwork.
a. Social networking b. E-commerce c. Blogging d. Video sites e. None of the above
Which power is perceived by many leaders as a negative power and is usually used as a last resort?
a. Reward power b. Legitimate power c. Referent power d. Coercive power
The term __________________ was coined to articulate concerns that the European Union, once formed, would raise trade restrictions against non-member countries and make it extremely difficult for foreign firms to reach consumers in member countries:
(a) Fortress Europe (b) Troika (c) Eurozone (d) Eurobloc