Given that z is a standard normal random variable, a value of z that is equal to 0 indicates that the standard deviation of z is also 0.

Name: Given that z is a standard normal random variable, a value of z that is equal to 0 indicates that the standard deviation of z is also 0.
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Quizplus · Accepted Answer

A standard normal random variable always has a mean of 0 and a standard deviation of 1, so a value of z that is equal to 0 indicates a mean of 0, not a standard deviation of 0.

Given That Z Is a Standard Normal Random Variable, a Value