Let X be normally distributed with mean ? and standard deviation ? > 0. Which of the following is false about the z value corresponding to a given x value?
A. A positive z = (x ? ?)/? indicates how many standard deviations x is above ?.
B. A negative z = (x ? ?)/? indicates how many standard deviations x is below ?.
C. The z value corresponding to x = ? is zero.
D. The z value corresponding to a given value of x assumes any value between 0 and 1.
Ans: D. The z value corresponding to a given value of x assumes any value between 0 and 1.
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