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

A、

A. 5.6%.
B、

B. 16.7%.
C、

C. 44.4%.

【正确答案】 B

【答案解析】[分析] 连续型均匀分布的累积分布函数F(x)的计算公式为：

在本题中， [考点] 连续型均匀分布