14、An energy analyst forecasts that the price per barrel of crude oil five years from now will range between USD$75 and USD$105. Assuming a continuous uniform distribution, the probability that the price will be less than USD$80 five years from now is closest to:

A. 5.6%.

B. 16.7%.

C. 44.4%.

D. 76.2%.

[此贴子已经被作者于2008-11-7 13:44:02编辑过]

14、An energy analyst forecasts that the price per barrel of crude oil five years from now will range between USD$75 and USD$105. Assuming a continuous uniform distribution, the probability that the price will be less than USD$80 five years from now is closest to:

A. 5.6%.

B. 16.7%.

C. 44.4%.

D. 76.2%.

 
Correct answer = B

"Common Probability Distributions," Richard A. Defusco, Dennis W. McLeavey, Jerald E. Pinto, and David E. Runkel
2008 Modular Level I, Vol. 1, pp. 385-389
Study Session 3-9-e
describe the continuous uniform distribution, and calculate and interpret probabilities, given a continuous uniform probability distribution

thx