NextQ14
Mean of a normal variable $X$ is 50. If the value of $Z$-score is -2.5 for $x = 25$ then which of the following is a variance of the distribution?
Question 13
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Mean of a normal variable $X$ is 50. If the value of $Z$-score is -2.5 for $x = 25$ then which of the following is a variance of the distribution?