An analyst stated that the mean of the sta

问题：

An analyst stated that the mean of the standard normal distribution always has a value of zero but that the standard deviation of the standard normal distribution can take on a value from 0 to 1. 0. Is the analyst correct with respect to the value of the standard normal distribution’s:mean Standard deviation ①A. No No ②B. No Yes ③C. Yes No A．① B．② C．③