The formula to calculate standardized normal random variable is

1.	The formula to calculate standardized normal random variable is
A.	x - μ ⁄ σ
B.	x + μ ⁄ σ
C.	x - σ ⁄ μ
D.	x + σ ⁄ μ
Answer» B. x + μ ⁄ σ

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The formula to calculate standardized normal random variable is

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