测定股骨大转子上移的标志有()。
A.Nelaton线
B.Bryant三角
C.Shoemaker征
D.Thomas征
E.Gaenslen征
参考答案:A, B, C
The following data applies to LeVeit Company: LeVeit has a target debt-to-equity ratio of 0.5. LeVeit’s bonds are currently yielding 10%. LeVeit is a constant growth firm that just paid a dividend of $ 3.00. LeVeit’s stock sells for $ 31.50 per share. Return on Equity (ROE) is 20%. The dividend payout ratio is 75%. The company’s marginal tax rate is 40%. The company’s weighted after-tax cost of capital is()
A. 10. 5%.
B. 11.0%.
C. 12.0%.
测量某医学指标,得到500个性质相同且近似服从正态分布的实验数据可求得算术平均数(X),标准差(s)和标准误(SX)。区间[X-1.96s,X+1.96s]所代表的含义为:
A.是样本均数(的95%可信区间
B.是总体均数(μ)的95%可信区间
C.是该医学指标的95%正常值范围
D.是该医学指标的99%正常值范围
E.是总体均数(μ)的99%可信区间