单选题
编号：2695537
1. Which of the following most accurately describes how to standardize a random variable X?
- A.Subtract the mean of X from X,and then divide that result by the standard deviation of X.
- B.Subtract the mean of X from X,and then divide that result by the standard deviation of the standard normal distribution.
- C.Divide X by the difference between the standard deviation of X and the standard deviation of the standard normal distribution.