Based on the definition of a standard normal distribution, the variable that equals zero is: μ (mean).
What is a Standard Normal Distribution?
A standard normal distribution, also known as the z-distribution, is a type of distribution where the standard deviation is 1 and the mean (μ) is always 0.
The variable that denotes mean is μ. Therefore, based on the definition of a standard normal distribution, the variable that equals zero is: μ (mean).
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