在对象捕捉中节点只能在两种情况下可见：对象是用Point来操作的；用标注时标注文和标注箭头处。（）
参考答案：对
超额配售选择权既可用于上市公司增发新股，也可用于首次公开发行。（ ）
An analysis determined that approximately 99 percent of the observations of daily sales for a company were within the interval from $ 250000 to $ 580000 and that daily sales for the company were normally distributed. The mean daily sales and standard deviation of daily sales, respectively, for the company were closest to: Mean daily sales Standard deviation of daily sales（）
A. $ 415000 $ 41667
B. $ 415000 $ 55000
C. $ 355115 $ 41667
