Z-Score Calculator

Your input: find the z-score of $x=2$ with $\mu = \frac{3}{2}$ and $\sigma = \frac{2}{5}$.

Z-score is calculated according to the following formula:

$z=\frac{x-\mu}{\sigma}=\frac{2-\frac{3}{2}}{\frac{2}{5}}=\frac{5}{4}$.

Answer: the z-score is $z=\frac{5}{4}=1.25$.