假定XX证券的收益率概率分布如表所示，该证券的方差为（）
A.4.4
B.5.5
C.6.6
D.7
参考答案：C
解析：
For an option-flee bond, if yields increase by 200 basis points, the parts of the total estimated percentage price change attributable to duration and the convexity adjustment, respectively, will most likely be:Part of the total estimated percentage price change attributable to duration Part of the total estimated percentage price change attributable to the convexity adjustment（）①A. Negative Positive ②B. Negative Negative ③C. Positive Positive
A. ①
B. ②
C. ③
温度是如何影响精子的运动和代谢活动的？
，该证券的方差为（）
，该证券的方差为（）