If X∼N(μ,σ2)X \sim N(\mu, \sigma^2)X∼N(μ,σ2), what is the Z-score for a value xxx?
Z=x−μZ = x - \muZ=x−μ
Z=x−μσZ = \frac{x - \mu}{\sigma}Z=σx−μ
Z=μ−xσZ = \frac{\mu - x}{\sigma}Z=σμ−x
Z=xσZ = \frac{x}{\sigma}Z=σx