question 13:
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$180 five years from now is closest to
A 5.6%
B16.7%
C44.4%
这道题答案是什么弄出来的，为什么在75和105的区间都加了100呢？很不理解。
Questio 37
A company is planning a new issue of $100 par preferred stock with a 12 percent dividend. The preferred stock can be sold for $95 per share and the company must pay flotation costs of 5 percent of the market price. Assuming a marginal tax rate of 40%, the after-tax cost of the preferred stock is closest to
A.8%
B 12.6%
C13.3%
答案是100×0.12/（95×1.05）结果得C，但是按照他给的这个算法算出来的不是13.3%啊？
我的算法是13.3%但是不知道对不对，请帮我纠正一下
12%（1-40%）+5=12.5
12.5/95=13.3%
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发表于 2009-11-27 23:10
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