A normal distributionμ=30andσ=5.Find the z score corresponding tox=25.

babeeb0oL

Answered question

2021-02-05

A normal distribution $\mu =30$ and $\sigma =5$. Find the z score corresponding to $x=25$.

Answer & Explanation

Usamah Prosser

Skilled2021-02-06Added 86 answers

$\mu =30$, $\sigma =5$, $x=25$.
We use the formula for normal distribution:
$z=\frac{x-\mu}{\sigma}$ $z=\frac{25-30}{5}$ $z=-1.0$
The z score corresponding to $x=25$ for normal distribution with $\mu =30$, $\sigma =5$ is -1.0.