Question: The standard normal variable, (z), corresponding to the normal variable (x), is defined as a. (z=frac{bar{x}}{sigma_{x}}) b. (z=frac{x-bar{x}}{sigma_{x}}) c. (z=frac{x}{sigma_{x}})

The standard normal variable, \(z\), corresponding to the normal variable \(x\), is defined as

a. \(z=\frac{\bar{x}}{\sigma_{x}}\)

b. \(z=\frac{x-\bar{x}}{\sigma_{x}}\)

c. \(z=\frac{x}{\sigma_{x}}\)

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