Given X∼N(μ,σ2)X \sim N(\mu, \sigma^2)X∼N(μ,σ2), what is the z-score transformation formula?
Z=X−μσZ = \frac{X - \mu}{\sigma}Z=σX−μ
Z=X−σμZ = \frac{X - \sigma}{\mu}Z=μX−σ
Z=μ−XσZ = \frac{\mu - X}{\sigma}Z=σμ−X
Z=σ(X−μ)Z = \sigma(X - \mu)Z=σ(X−μ)